Dutra duals vs headers. 95 Regular price Unit price / per .
Dutra duals vs headers 95 Regular price Unit price / per . It helps power and economy, both. Header: meta data about the request; HTTP Headers are NOT part of the URL; if it's information about the request or about the client, then the header is appropriate; headers are hidden to end-users; globally data; restrict Dos-attack by detecting authorisation on it's header, because a header can be accessed before the body is downloaded; Param: 2) dual exhaust outlets on engine. If you choose to go to dual exhaust, I recommend 2 inch pipe all the way back. The only mods so far is the points distributor is curved for about 16 Aussiespeed stainless 304 steel exhaust flange, gaskets, studs and nuts supplied as a kit. Slimline Duals Header with Baffles for Harley Touring. Location Wisconsin. Save Share Reply Quote Like. Nice power increase, seat of the pants, no dyno for me. header dyno comparison series, So here it is folks, with the bolt-on 2-bbl and Dutra Duals, the 225 Slant Six makes 162. Offline: Turbo Slant 6: Joined: Fri Apr 16, 2004 5:50 pm Posts: 660 Location: Stevensville, ON Car Model: If you are thinking about a dual carb setup, you should consider The Dutra Duals are now made in Australia, and the preferable setup for street use is Doug's original configuration: a Dutra front-3 unit with a cut/capped rear half of a stock exhaust manifold (keeping the central collector area for intake heat, and the automatic choke tower). When I eventually go from the current shorty headers to proper long tubes I'm gonna run 3" pipes from the collectors all the way to the mufflers and then neck down to 2. This makes shorty headers perfect for your daily Author Topic: De-catted headers vs V&H Power Duals (Read 16572 times) 0 Members and 1 Guest are viewing this topic. Remove the lean-burn system and swap in the more reliable electronic ignition. 55 SG rear, still being tuned up and gets 17 MPG Know how they About three years ago I put on S&S Power Tune Dual headers and Reinhart Mufflers. At least one guy on ebay sells a steel header adapter plate that bolts to the head. Aussiespeed Manifolds & Old School Speed Equipment Co. _____ "Ja, Ich fahre unless the car originally came with cat converters. Offer better performance and tuning than true duals, but Save 9% ($72. for use with an upcoming twin-SU setup on my '62 Lancer. At the present time, if you need headers, and have a "early "A" body (60-66), then Clifford is your only choice. I'm very happy with the way the bike runs with the duals. It’s time to get serious about It’s time to get serious about the performance of your FL. I saw a guy with a slant six dual exhaust and I loved the sound so much. And only with a 225 engine, not a 170. These are the exact same components we supply with the Aussiespeed Dutra dual headers. org and you can find info there. Aussiespeed steel exhaust flange, gaskets, studs and nuts supplied as a kit. " 2nd that. I've been looking at my options for my '65 dart 270, but I can't find a definitive Dutra Duals vs headers comparison. I'm getting them for a token payment For exhausts my original thoughts were along the lines of an after-market cast header, I researched those and ended up in this discussion about Dutra Duals, Clifford tubular From what I understand, MP's headers won't fit my car. If I lost any power when I switched to the duals I'm just not noticing it. For felt heat reduction, these Floorboard Extensions will reduce felt heat more than a different set of headers, and are a lot less expensive. I was test riding in the neighborhoods and making frequent stops/starts and had to apply a little more throttle when Great advice gents, I spoke with my mechanic today and returned the Rineharts. Corn or soybean headers are usually heavier, sometimes up to double the weight. To relieve the excessive heat generated from the catalytic converter we remove the exhaust system and got rid of the converter. The dyno I showed does show a difference in the range you are talking when it is headers vs. Welcome to the Aussiespeed Street & Racing Products website and online store. However, because my wife rides two up with me quite a bit, I don't want to blast the exhaust sound of a 2 into 1 system in her ear so that's why I'm leaning towards the V&H 450 Raider Power Duals. I got the True Duals from Eastern Performance for $650 including shipping. My nest step will be true duals and new slipons and cams and tuner. This header from Hedman is there Elite series ultra duty headers that are HTC coated. Intake Manifold and Carburetor. I have been wanting Hooker, Dougs or OBX side headers and side pipes since I got the car but many people have told me that a stock L48 Pipes installed on the new 2019 Dutra Duals, the new rear design should make the headers much easier to fit on all slant 6 powered vehicles #aussiespeed Find many great new & used options and get the best deals for Slant 6 Dutra duals exhaust manifold dual headers new Aussiespeed Valiant 225 at the best online prices at eBay! Free delivery for many products! Skip to main content. If you ever want to go into the motor - definately consider the duals now because you'll be wanting to do them later. _____ 84 The Dutra Duals are an option also, sold by AussieSpeed now. 4 hp at 4,200 rpm and 215. Post Posted: Sat Sep 21, 2002 4:00 pm . For the clean classic look of true dual head pipes, Vance & Hines Dresser Duals are the only choice. Get yours, we ship world wide! So far, I don't believe the Slimlines are true duals. My question is, how much power and torque difference is left on the table by going true duals ? I appreciate the help in advance. Post subject: Re: Dual Dutra Duals. 5K CVO Member; Offline; He's narrowed it down to putting on either the Thunder Header 2 into 1 Installing Dutra Duals. Power Duals are your ticket to style, quality and Author Topic: Thunderheader 2-1 vs Rinehart true duals (Read 4383 times) 0 Members and 1 Guest are viewing this topic. I had both headers. Last pic obvs Hyper Pak. Just mainly looking to get some sound and performance out of the 103". Very nice, great quality, good looking, better than others i have seen. The second and third pic are Dutra Duals: a new Dutra front-3 casting and a cut/capped stock manifold for the rear 3. ) single or dual pipes to the rear (your preferance). 00 Add to cart. As far as the heat the true duals will help. I'm not sure that $600+ TTI headers are in my future but I may be able S&S Power tune dual header Had local HD dealer install S&S power tune header system. mated to the power X header from vance and hines you get some of the benefit of the 2-1 system but the exit is still 2 so the system is 2-1-2, The assumption is that you are looking for sound and/or looks vs performance since you are asking about true duals and you mentioned that the ones you are looking at are all black as if that changes the sound somehow. com ran a test on a stock 2007 Chevy Tahoe with a 5. Headers cost more, but give If you daily drive the car, startup driveability is better with the Dutra Duals. Offline: Triple Duece Weber: Joined: Wed Nov 24, 2004 2:05 am Posts: 2281 Location: Desoto Texas Car Model: 1972 Dodge Colt Dyno Dave, I think the problems arise using them on Vance & Hines PCX Power Duals Headers For Harley Touring. We include steel lasers cut flanges, exhaust outlet flange gaskets and 3/8 unc steel studs with brass nuts. Slant 6 Dutra duals exhaust manifold dual headers new Aussiespeed Valiant 225. Top FrankRaso Post subject: Post Posted: Tue Apr 27, 2004 2:06 pm . Dutra Slant Six cast iron exhaust header AS0567 Pair Latest design AUD $ 899. 1 lb. i like the way the duals look . The secret to Dresser Duals lies under the heat shields, with our proprietary Power Chamber hidden crossover that boosts performance over traditional true dual head pipes. It also costs less and weighs less. A turbo blanket is highly recommended and can be found here. 4 hp at 4200 rpm and 215. _____ Hyper_pak. Mopar 170/198/225 Slant Six Stainless Exhaust Pipe Kit. 1abastarsmda. Looking for advice/opinions of a good header, considering either the Vance & IMO there are 2 good quality headers that we install and sell, one is Hedman part# 68298. org have found out--and there are some very knowledgeable guys on that board--is that splitting the exhaust farther from the engine, as opposed to closer, as you would w/ Dutra duals or a header, just doesn't do that much good compared with all of the headache and problems that come up with bending and routing more Mopar 170/198/225 Slant Six Stainless Exhaust Pipe Kit. GoodtobetheKing Discussion starter 14 posts · Joined 2012 Add to quote; Only show this user #1 · Feb 7, 2012. True duals are changing the headers You may continue to use you V&H with your true duals headers. PS: Best "bang for the buck" is increasing compression. Shorty Headers vs. Two 2" pipes off my headers, 2 into 1 Vs true duals. The test engine found gains simply by replacing the single outlet exhaust header and We also compared the new two-piece Dutra Dual cast-iron exhaust header against the factory log-style manifold. Recently while tracking down an annoying oil leak, I noticed that two of the 1/4" bolts 36000lb+10000lb (header) = 46k front axle weight. Thanks, Paul . sounds great. I haven't had a chance to check the performance yet due to some rain today, but hopefully it will clear up tomorrow. Previous Image. Last visit was: Sun Dec 03, 2023 2:09 am: It is currently Sun Dec 03, 2023 2:09 am However, because my wife rides two up with me quite a bit, I don't want to blast the exhaust sound of a 2 into 1 system in her ear so that's why I'm leaning towards the V&H 450 Raider Power Duals. 00) today when you shop RevZilla for your Vance & Hines Power Duals Headers For Harley Touring! Free Shipping, Lowest Price Guaranteed & Top of the Line Expert Service. 6% positive; Seller's other items Seller's other items; Contact seller; Fortunately you don't need to go to Clifford to get hot rod parts for slant-6s; there are lots of other, better options. Great looks, good HP, not much torque change, lose of heat under seat and legs. Next Image. new-dutra-dual-headers – 1. manifolds vs. I think Doug's original run of these has now dried up, and the new ones are being made by AussieSpeed for a significantly higher price (plus shipping). The world famous Dutra Duals for Slant 6 are now available right here in Australia. Australian manufacturers of Old School Speed Equipment , Aussiespeed Manifolds & Tunnel Rams, Evil Stick Cams & Valve Train Components, Active Manifolds, Dutra Dual Cast iron headers, Stripmaster Manifolds & so much more. We have used and sell both. Quantity . Offy intakes have provision for manifold heat hookup just like stock intake, so regular Dutra Duals are "Yes". 2-1, is it like a couple of lbs, or is it more like 10 lbs? A complete redesign of the rear header now allows for these to be fitted to a wider range of slant 6 powered vehicles. I’ve had pretty much every exhaust fans and Hines makes, and used the power duals on my last 2 street glides & last two road Kings. Plug that into GYs inflation calculator and it comes up to 26 psi and is right at the max load of ~23000lb/tire : Artic: Posted . Dutra Duals (split exhaust manifold) = much, much, much less hassle in about half a dozen different ways. Features Second revision Dutra Duals to allow for more starter motor room CNC machined cast iron Power Duals VS Dresser Duals. I have a couple of old manifolds, but just fyi the hooker headers have a small tube coming of one of the runners that connects to a plate that attaches to the intake for heat. There are duals currently in place all the back. The stock pipe below is hidden. True Duals, like drag pipes, are really only good in the top end of the rev range. Offline: EFI Slant 6: Joined: Wed May 28, 2003 4:08 pm If you can still get it, the header pipe from a Volare goes down from the stock slant exhaust manifold, SKU: as0567R-2019 Categories: Headers, Exhaust, Slant 6 Chrysler Tags: dutra duals, headers, slant 6, slant six. I'm getting ready to finish my build & am weighing the options of 340H. 4 The Aussiespeed Dutra Duals are fully CNC machined and by doing this it makes the fitment so much easier and ready to install on cars and trucks. This turbo kit is designed for 1967-1976 A-Body Mopars with Slant Six. You are buying the 2019 version Aussiespeed I have a 1964 Plymouth Valiant with a 225 slant six and was looking for dual headers dual exhaust system. I wondered if people had insight on the effect of dual Dutra duals verus a single dutra on the front and the original manifold on the rear on a 225 Slant with a 2bbl Carter Carb, in driving conditions where the ambient outside temperature is likely to be mostly between 5 and 30 degrees Centigrade. 2" ram horns. 1 basically hollow muffler vs 2 mufflers. They also said the monster ovals would be a little louder and have more bark with the power duals. I have been wanting Hooker, Dougs or OBX side headers and side pipes since I got the car but many people have told me that a stock L48 Here's an interesting article I came across while looking into long tube headers that I thought some of you might like. He has an old set of good headers unused, but weathered. The dual exhaust is a good idea, but if it was me I'd go with Dutra Duals instead of headers. sb Aussiespeed now has purchased the molds from Doug Dutra. Post Posted: Fri Jan 19, 2007 6:30 pm . The improved flow allows for better performance and power delivery from your motorcycle's engine. 3L V8 with stock manifold and exhaust, Gibson shorty headers with an after-cat exhaust to match, and Stainless Works long-tube headers and a full Stainless Works true dual exhaust There is/was the Dutra Dual exhaust. Cuzz Member. Two 2" pipes off my headers, C3 Tech/Performance - Header/Sidepipes vs headers true duals - I am finally at the exhaust portion of my restomod on my 77 4spd. Dresser Duals Jump to Latest 13K views 9 replies 8 participants last post by GoodtobetheKing Feb 10, 2012. Clifford intakes (all of them, as far as I know) have no provision for manifold heat hookup, so regular Dutra Duals are "No". If you find a combination of starter motor that it wont fit with we would appreciated Dutra Duals vs Headers. The manifold I have however, is Looking to upgrade the exhaust on my 2013 FLTRX and want to eliminate the cat in the process. seems its a 2 week turnaround time. Post Posted: Mon Aug 18, 2003 10:33 pm . Mounted to the test engine, the added exhaust capacity bumped output by an extra 11. slantsix. We took a 4' spike and punched out the slip on's too. Doug is best known for his intimate knowledge of the I running the V&H duals as well but with Wild Pigs. A complete redesign of the rear header now allows for these to be fitted to a wider range of slant 6 powered vehicles. traditional headers. Only the induction side is critical, along with spark, etc I have the monster ovals on my 09 ultra classic. It's hard to go wrong with V&H stuff, it really is, I've had a couple pipes from them and always been happy. So since I want to stay with a carb, maybe it's best to do the original Dutra Duals with the modified rear manifold. I think I have an idea. Post Posted: One negative with headers is you won't have any carburetor heat unless you This group of photos shows the routing for the new front manifold's exhaust header pipe. Dutra Duals. One thing I thought of doing was using a set of these newer Dutra Duals, but with a single exhaust. BamaHDRocker. And our timing is perfect. The bike is almost 10 years old now and a little over 50,000 miles on it. My 62 Valiant is in dire need of a little extra power. Early A body Chrysler slant 6 tubular headers AS0079 | Aussiespeed Street & Racing Products Australia Dutra Duals, better than headers unless you're going racing. Aussiespeed Performance Products (2403) 98. HOT ROD Staff Writer Nov 09, 2010. But they Would RHD also be an advantage for installing Dual Dutras as mfdu mentioned? Looks like the starter motor position would still require some grinding '67 VC Valiants need As there were many models of starter motors we have tried to design a header to fit what we had available. There is no down side (within limits). I don't like headers on a street driver, they are noisy, leak, rust out, no Aussiespeed now has purchased the molds from Doug Dutra. 6 likes, 0 comments - legopnuematic on November 8, 2021: "Decided to go with dutra duals instead of the headers on the dart, which I had to change the inta" Do a search on this topic; I did just yesterday and the consensus is there IS no consensus! Some favor Dutra duals with a "y" pipe channeling into a single exhaust. Duals in the 60s and 70ssure. I’m planning on doing the Dutra Dual headers, and I’m wondering if doing the Duals into a California Slant Six enthusiast Doug Dutra offers the much more streamlined, two-piece Dutra Dual manifolds as an alternative (bottom). (Not headers, either Dutra duals, or modified stock manifold with dual outlets like Memikes. I'm very happy with the way the bike runs with the S&S Power Tune Dual Header System For Harley Touring. Would headers from a Then there are the Dutra Duals. Has anyone compared performance resulsts between the Clifford shorty's and the Dutra Duals? Top Pat Osburn Post subject: Clifford VS Dutra Duals. 5". The PBT-D150 requires Dutra Duals. when its basically fake on the left side . at I know you asked moparkid, but, IMHO I think it would be best to go with either the front and rear dutra duals or a modified rear and a front dutra because when it all comes down to things it still is a slant six and again IMHO I think it's best to focus on torque more than HP for a street /6 that's going to be driven everyday especially on a torquey engine like the 225 (I'm True Duals with Slip ons. Post Posted: Mon Aug 18, 2003 4:58 am . Nov 25, 2024 #4 Also remember that in order to run true duals on an early A body, the transmission mount/crossmember needs to be modified for What the guys at www. Duals vs Singles Usually a header on a wheat harvesting combine will be lighter and the single tire set up will be OK. 5% positive; Seller's other items Seller's other items; Contact seller; You will notice no gains from the true duals, if anything, you would loose bottom end power. My Account. 0 so it's easily got the flow capacity for a healthy 225 and it's tuned to The Dutra Duals will fit with out any trouble, be sure the new (second) exhaust pipe stays clear of the PS hoses. I went from factory exh. there is a place close to my work that does ceramic coating , pretty much most ceramic work in the GTA goes to this company, "apparently" better then what the header companies use. I understand there are places that will get Dresser Duals vs Power Duals. Aussiespeed Performance Products (2400) 98. 2-1 systemsdecent , if not unbalanced looks, GOOD HP and TORQUE #'s still have heat issues under seat and legs. Doug Dutra (aka Doctor Dodge or “Doc”) has owned and worked on Chrysler products all his life. As the car sits, it is a 170, 1bbl carter, 3 speed manual, 2. Rinehart Racing Slimline Duals brings the absolute best Rinehart has to offer in a performance system. I wanted to simulate long tube headers with the collector moved out. From what I understand, MP's headers won't fit my car. They have an i. Page 1 of 1 [ 5 posts ] Previous topic | Next topic : Author Message; imanexcellentdriver Post subject: Installing Dutra Duals. I running the V&H duals as well but with Wild Pigs. Offline: Turbo Slant 6: Joined: Fri Apr 16, 2004 5:50 pm Posts: 660 Location: Stevensville, ON Car Model: If you are thinking about a dual carb setup, you should consider Dutra Duals (split exhaust manifold) = much, much, much less hassle in about half a dozen different ways. I was all set to get some Cliffords, but they just recently raised thier price over $100 right when I got my tax return. Stock. Check with them to verify. Do a search on this topic; I did just yesterday and the consensus is there IS no consensus! Some favor Dutra duals with a "y" pipe channeling into a single exhaust. 5:1 CP Piston. The proxy system will validate the user and C3 Tech/Performance - Header/Sidepipes vs headers true duals - I am finally at the exhaust portion of my restomod on my 77 4spd. See for example Dutra Duals and header options discussed in this thread and this one, Erson custom cams, etc. It was through an article in Hotrod magazine where the Dutra Duals were used for testing and they worked hand in hand with the. I have the monster ovals on my 09 ultra classic. Looking to replace stock headers on my 2012 Road Glide Ultra with either Dressers or Power Duals and some Monster Ovals. Yes you will lose some low end with the true duals but not much. I'm sure the local exhaust shops couldn't handle something as specialized as this. The S&S Power Tune Dual Headers have an independent dual look with a hidden crossover between the front and rear pipes for If staying with a mild build, consider a "super six" 2bbl setup, or a Offie manifold, with a small 4bbl carb. Dutra duals are more expensive than they used to be. As of now I might go with the ARH 1 3/4" with cats and bolt it up to my current cat back. Once the intake has heat soaked, not much difference. thanks for all the input n The pipes with an X will flow better and make more torque for sure some say the difference is not much but that difference will increase the more you go up in power but I'd have to recommend skipping the power duals and going with fullsac no true dual or dresser duals will out perform them, fullsacs pipe has been out performing D&Ds pipe on some builds I've seen I have the Rinehart Slimline Duals and Rinehart 4" slip on for Indian Touring on my 2016 Chieftain. He's running Dutra Duals. 5” Y pipe vs the 1 7/8” long tube headers with the Just put a set of Rinehart True Duals on my Road King Classic and absolutly love the sound. This item is a I put the power duals header and high output slip ons along with an FP3 tuner on it about a year after buying it. Running a dual set up will be able to handle that additional weight on the front of the combine. (1) Stainless steel header to block support bracket. These are the exact same components except with stainless steel flanges we supply with the If you want that true Harley sound, hard to beat the true duals. lookin to replace my stock headers on my 03 road king with the vance and hines true duals and rush mufflers. If you want to save a couple hundred bucks,and have the same performance as a DD,gasket match your exhaust manifold,open the outlet to 2 1/4,and run a 2 1/4 to 2 1/2 pipe Not quite. Dutra Dual cast iron headers were taken over in march 2018 from this date and will be manufactured in Australia and made available to customers worldwide by Aussiespeed. The Dealer GM said Factory will honor the Rinehart header if installed at dealer, but I’m not buying it. Looking for advice/opinions of a good header, considering either the Vance & Hines Dresser Duals or Power Duals. Others say headers are the way to go. cant tell the different between true duals and the single in and 2 out. FOR SALE! A complete redesign of the rear header now allows for these to 163913477630 "Dutra Duals", Cast Iron Dual Exhaust Set Headers do not provide carb heat or a place to mount the choke stove. Bike Year Finish. Hear the difference for yourself!I decided to sw Vance & Hines PCX Power Duals Headers For Harley Touring. True duals really won't give you a meaningful benefit unless you can keep both sides equal length, which is almost impossible with the gas tank in I wondered if people had insight on the effect of dual Dutra duals verus a single dutra on the front and the original manifold on the rear on a 225 Slant with a 2bbl Carter Carb, in driving conditions where the ambient outside temperature is likely to be mostly between 5 and 30 degrees Centigrade. Power Duals VS Dresser Duals. If you want to judge sound, find some people locally that have the pipes you're interested in and listen to how they sound. Stock manifolds, True Duals with flowmaster super 44's, Bama Tune, full suspension (lowered, 8. Now it seems my last chance should be these Dutra Duals I've heard of in passing. Then depending on how it sounds I can take the Y pipe and make an X out of it to do the duals. Any header to be used on a 170 will have to be modified. (A new Dutra casting for the front and also modify their exhaust manifold, to use on the rear) Send me a PM for cost To control the excessive amount of heat generated by the headers, I ended up using header-wrap. By: Search Advanced search The pipes with an X will flow better and make more torque for sure some say the difference is not much but that difference will increase the more you go up in power but I'd Shop RevZilla for your Rinehart 4" Xtreme True Duals For Harley Touring 2009-2016 today! Free Shipping, Lowest Price Guaranteed & Top of the Line Expert Service. I In this video I show the difference in sound between factory exhaust manifolds and a factory cat deleted 2. The motor is a freshened up L48 that is totally stock. If 2 mufflers, then headers back had to be designed around all that with proper back pressure and diameter vs the head flow provided. Please sound off with your opinions. 2 barrel with headers WANT A 18 INCH MAGNAFLOW? CLICK THE LINK BELOW!https://amzn. good looks, LOTS of heat issues, unbalanced sound, decent HP and Torque #'s Aussiespeed now manufacture the Dutra Duals in Australia, in 2018 after the Hotrod magazine story about a Slant 6 build the deal was done and new ownership of the tooling took place. 19303 posts "Dutra Duals", Cast Iron Dual Exhaust Set Headers do not provide carb heat or a place to mount the choke stove. It was through an article in Hotrod magazine where the Dutra Duals were used for testing and they worked hand in hand with the Aussiespeed long and short intake manifolds. thanks for all the input n Search titles only. August 5, 2018 480 × 640 Dutra Duals by Aussiespeed. :thumbsup: Options include headers (available from Clifford Performance) or Dutra Duals. 1 lb-ft. Very well made, scavenging is excellent, gained low and mid range torque, sound incredibly good and muscular, love them. I also vote for keeping the slant six in your truck. 9079 posts · Joined 2012 Add to quote; Only show My bike is a 2007, so it may not be an apples to apples comparison, AND it's only seat of pants data. My question is can they be used with a Clifford 4 bbl intake. (1) Stainless steel turbo header kit. It's in Walker's QuietFlow SS premium OE line, all stainless steel (which is nice for durability), made for the '01 Jeep Cherokee 4. They look and sound awesome and their customer support is 2nd to none! Save Share Reply Quote Like. What the guys at www. $1,089. This header system features individual 1 3/4 in. I like the torgue of 2-1 (like fat cats) but I've read you lose the 'harley rumble'. Top Charrlie_S Post subject: Re: Headers on my Slant? Input please. If you want a better than stock exhaust, there are a few options. From what I've gathered Dutras cost less, are supposedly more durable, and still give a significant power/fuel mileage increase. Whether the wrap contributed to corrosion or it was just old age, my headers rusted out after about 20 years. You can find the Dutra Duals as an option or several other opinions like mine where unless you have really worked over your slant changing out the stock exhaust isn't a priority. Included with the headers is 1 x front header 1 x header flange We also compared the new two-piece Dutra Dual cast-iron exhaust header against the factory log-style we installed a set of Dutra Duals and got 162. Are Dutra Duals a set of headers, or just a manifold? '74 Duster w/ HEI ignition, beat to snot suspension, A904, 8. Dyno Testing Hedders Vs Manifolds For Stock And Performance Engines. So, how much low end torque do you lose going with duals vs. Note that the tabs are "mirror images" so the older version of the casting could never be used on SKU: as0567F-19 Categories: Headers, Exhaust, Slant 6 Chrysler Tags: dutra duals, headers, slant 6, slant six. head-pipes, specially designed to enhance exhaust flow. The cookie is used to store the user consent for the cookies in Post subject: Dutra Duals. To control the excessive amount of heat generated by the headers, I ended up using header-wrap. But then, what is the diff between a good free flowing header and slip-ons, vs duals? I understand I'll have better torque with free flowing 2-1-1 headers and slip-ons that duals? It has been awhile ago, however I was able to track down this photo of the exhaust system that I installed on the D150 using Dual Dutra's Many folks y the two pipes together some what close to the manifolds. Proven Performance® For The Powersports Industry . The difference it made in power was absolutely incredible. By: Search Advanced search The Dutra Duals are now made in Australia, and the preferable setup for street use is Doug's original configuration: a Dutra front-3 unit with a cut/capped rear half of a stock exhaust manifold (keeping the central collector area for intake heat, and the automatic choke tower). Features Second revision Dutra Duals to Headers vs. I emailed V&H several weeks ago and asked them about the power duals. Where I've seen custom headers come up is in a system to system request operating on behalf of a user. 5” Y pipe vs the 1 7/8” long tube headers with the The X pipe system made 2 more horsepower then open headers and was 12 better then the H pipe. Dutra dual headers with front and rear pipes are merged from 2 into 1 in this picture. (1) Stainless steel T3/T4 flange. if your christmas plans for installing headers didn't work out, let me know and i'll get you some more info from mr dutra. They will increase the sound-more volume. Introducing the Cobra True-Duals Header System, the perfect upgrade for V-Twin motorcycles looking for increased exhaust flow and a striking style. to/3Il2XXkWANT A FLOWMASTER SUPER 50 HD? CLICK THE LINK I understand the benefits of the dutra exhaust. Post Posted: Sun May 01, 2016 11:46 pm . great fit and finish, One thing I thought of doing was using a set of these newer Dutra Duals, but with a single exhaust. As for me, the truck I have already had a new true dual exhaust system that had not been installed, just sitting in the bed and looking pretty. that exhaust flow We now manufacturer Dutra duels here in Australia via Aussiespeed. 2-1-2's are almost like a hybrid/compromise of the two. I finally got all the pieces of my Cliffords back, and now US41 is closed because of a family fued. Dutra Dual 2019 version Aussiespeed dual outlet cast iron headers. _____ i was just thinking why they put that exhaust on it. Depending on what sound you like, the Dresser Duals have a bit more of an old school sound. The "Dutra Duals" can be used with any intake but there are special needs for each intake which needs to be So far in the Manifold Mystery Tour exhaust manifold vs. We thought as they are now made in Australia it makes sense that they fit Australian Vance & Hines Dresser Duals Headers For Harley Touring. I am looking for another article Car Craft did that compared a "big single" exhaust to your "true duals" setup. sweetbmxrider. I'm very happy right now. owl893. I have the Rinehart 4" slip-ons on my 14 Road King but will probably go with the Vance & Hines Dresser Duals for my headers. Aussiespeed took over the manufacturing of the Dutra Dual cast iron headers in march 2018 and from this date they will be manufactured in Australia and made available to customers worldwide. Menu The S&S Power Tune Dual header system is not just an end to the headache of the constantly failing stock "Y pipe Coincidently, I had Dresser Duals on my '11 Road Glide Ultra till this spring, when I switched to a 2-1, and then traded the bike off. Steel flanges, composite exhaust gaskets, Australian made 3/8 unc studs and Australian made brass nuts. True duals are not what you want. IIRC the two head pipes are each 31 inches long. Feb 9, 2012 #1 Tell me if i'm wrong. Don't use headers, use Dutra Duals instead. Now it seems my last So since I want to stay with a carb, maybe it's best to do the original Dutra Duals with the modified rear manifold. I really like the sound much better than stock header with screamin eagle slip ons. 9079 posts · Joined 2012 Add to quote; Only show Dutra Duals are a better idea unless we're going racing. If I go with duals, I can buy 2 A complete redesign of the rear header now allows for these to be fitted to a wider range of slant 6 powered vehicles. There are many different types of SL6 headers out there so be sure you get the set that is designed to fit your car. Does anyone make a Reverse Y pipe to get down under the car? Maybe 2-3 feet long. Enter your search keyword. Most buyers do exactly what you discribe, they send me a used factory SL6 exhaust manifold, to modify into a rear section and I send them a complete set, in return. I also put a PCIII on with the pipes. Part Number: 100-1400. For intake, it depends on what you want to do. C3 Tech/Performance - Rams horn manifolds vs headers - If I'm running a stock engine or even a mildly modified motor, how much power am I giving up by using the stock rams horn manifolds? I did open the ports up a little and clean them up inside the runners with a grinder. org have found out--and there are some very knowledgeable guys on that board--is that splitting the exhaust farther from the engine, as opposed to closer, as you would w/ Dutra duals or a header, just doesn't do that much good compared with all of the headache and problems that come up with bending and routing more I make sets of "Dutra Duals" for people on a "as ordered" basis. Both PBT-D150 and PBT-D150-DD (Dutra Duals) require Chrysler "mini" style starters. Very Happy. Fits 1995-'08 HD® Big Twins. You would need a shop to bend & weld tubes to that. Author Topic: Thunderheader 2-1 vs Rinehart true duals (Read 4383 times) 0 Members and 1 Guest are viewing this topic. Dutra duals fitted with Aussiespeed AS0024 long runner manifold, a perfect combination for slant six builds. The PBT-AC system attaches to 2019 Aussiespeed Dutra Duals. I did check out the dutra duals, but have opted for the headers(not sure why, maybe its the growl. Going with my stock header and slip on Khrome Werks. They said I would gain 2hp over the stock head pipes and they would perform better. 8, 4. any thoughts on the true dual header system? thanks You will lose some low-end power with duals, but you'll gain some mid-high end power. and, If you are thinking turbo, go manifold. I passed my '68 with a header and two shops said it didn't matter. Offline: HTTP has a very wide selection of headers that cover most everything you'll need. head-pipes, specially designed to enhance I'm working with a 63 Dart here. The Dutra Duals will fit with out any trouble, be sure the new (second) exhaust pipe stays clear of the PS hoses. I gutted my header, added xieds, stage one download to get higher rpm, and stage one ac and Rinehart 4 inch slipons. Often imitated, yet never duplicated, Power Duals head pipes have set the standard for high style on late model On the other side of the coin, shorty headers deliver more power horsepower and torque from idle to the mid-RPM range. Aussiespeed has a header That is supposed to fit with the 170, but the early ones did not. 一期一会 Too many people who were born on third base actually believe they've hit a triple. As I planned to keep my car indefinitely and didn t want to bother with replacing headers again, I decided to go with a pair of Dutra Duals. just wondered if it sounded better with true duals . Stock headers with slip ons. 25" 3. -ft. at 3300 rpm, Dutra Duals are NOT good for 'mild race cars',ask Doug! If you want real performance get headers. The gas flow cv can't be that much smoother with 2 mufflers. Dual Dutra Duals The current casting now has larger mounting "ears" which allows it to be machined and used on the rear three cylinders. The PBT-AC is designed for use with RV2 Twin style A/C, power steering, and power brakes. and dont really care about the power it gives the 850 pound tank its no speed demon but i love the sound n just like to ride. I can only tell you what EVERYONE wanted in high school in the late fifties: dual exhaust!! It didn t matter if was a Plymouth six, Chevy stovebolt, or (especially) a flathead Ford, if you didn t have duals, you were driving your mom s car, (which was the worst insult a guy could get!) As to the sound, that's a personal preference, but I ve never heard a flathead running Y-pipe vs true duals? Jump to Latest 99 Saturn sl2 M5, 92 header-daily driver. Headers are built only for the 225; the lower ports on the 170 prevent headers fitting on the 170 without hitting various components. The clifford web site says you must use headers. Miles Tequillya. 99) today when you shop RevZilla for your Rinehart Slimline Duals Headers For Harley Touring 2009-2016! Free Shipping, Lowest Price Guaranteed & Top of the Line Expert About the Author . I had my previous Jackpot headers done myself. More cost-effective than headers, and unlike Clifford, Dutra won't take your money and make dumb excuses for months about why he hasn't sent your parts yet, or refuse to help you when the parts don't fit 'cause they're poorly made. Dutra is a founder of www. Offy manifold fitted up with Aussiespeed slant 6 Dutra Dual cast iron manifolds. ive had the single in and two out on the last 3 trucks ive owned only ran flow master 40 series. Downsizing or relocating the battery is required. Manifolds - Ferreting Out Fumes. 5% positive; Seller's other items Seller's other items; Contact seller; Vance & Hines Power Duals Vs. The first pic is what's called "Dual Dutra Duals", that is two front-3 Dutra castings. Vance & Hines Power Duals Vs ive had the single in and two out on the last 3 trucks ive owned only ran flow master 40 series. There were a few commercial slant headers, which you see for sale on ebay sometimes. Post subject: Best exhaust configuration for Dutra Duals. Harley Road Glide Sound TestBassani Road Rage 2 into 1 vs Reinhart Slimline Duals with 4 5 DBX Mufflers. I used my third pair of 450 tourquer Power Tune Duals. I may add an H-pipe to tune the secondary length of the headers shorter but that would be the only reason besides making the exhaust quieter. Often imitated, yet never duplicated, Power Duals head pipes have set the standard for high style on late model baggers with its contoured collector shield, crowned with the iconic The Power Duals will give you more power than the Dresser Duals. A more free flowing exhaust with Dutra duals or headers will help. 2" pipe off of each of the two exhaust manifolds, into this wye connector, 2-1/4" pipe from there to this muffler. i have 4 inch slash cut bassanis slipons on it now. If you're not set on V&H my buddy just put a set of Rush headers on his 2015 that look like true duals but have a crossover sandwiched between the pipes before they split. 5K CVO Member; Offline; He's narrowed it down to putting on either the Thunder Header 2 into 1 Is there only a difference on paper, but not really on a 'seat of your pants' dyno? If there really isn't much of a difference between the two then I'd probably go duals. The cast iron headers can be ordered from our online store that is located on the menu on the right hand side of the page. I have Dutra Duals on my '78 Volare's 225 /6. Thread starter Cuzz; Start date Feb 9, 2012; C. The decision to make a new rear header pattern for the Dutra Duals has been made and the new pattern is underway. Cookie Duration Description; cookielawinfo-checkbox-analytics: 11 months: This cookie is set by GDPR Cookie Consent plugin. Headers will deliver highest power for a given build. A pipe off of each manifold goes into a Y-pipe, and then one pipe out the back. It still runs strong and has been trouble free. I put the MGS true duals headers & mufflers on my 2014 SGS. Duster idiot has a wicked sounding set of duals on his Hyperpak Feather Duster. Slip on's VS true duals First off Slip on's are nothing more than mufflers. I was contacted by someone who found I was looking for low starter headers. Aussiespeed Performance Products Home; Shipping; Return Refund Policy; Online Store; Stripmaster Manifolds; It has been awhile ago, however I was able to track down this photo of the exhaust system that I installed on the D150 using Dual Dutra's Many folks y the two pipes together some what close to the manifolds. These features can be added but it is more custom fabrication work. only different is that true duals you have 2 free flowings exhausts not fighting each other to escape and less back pressure with the true duals. Sort by Oldest first Oldest first Newest first Most reactions. Elite CVO Member; Offline; Posts: 545; A 2-1/4" exhaust will help, but you may want to look at Dutra Duals, which will help even more. The internal diameter of the flange is 62mm and is 10mm thick 2005 Rumble Bee Superchips tuner, Underdrive Pulley, AEM Intake, Super Maxx Long Tube headers, SRT-10 22"s with Nitto Drag Radials, E-Fan, 150 Shot of Nawz 2004 YFZ450 +4. 76 rear end, P215-60-15 rear tires. I talked to ARH for a bit today, really helpful too. Hi-perf Save 20% ($150. If you decide N/A, I'd go header, but add manual valve body & do away with the kickdown, one large single exhaust, don't try to run duals on a six. I've got a 318 w/ 2 1/4" duals with stock 73 318 manifolds. I was looking into getting true duals for my bagger when my (welding) buddy (and Harley builder) told me of a different solution. Any good catback should give you great sound and great performance. I have a couple of old manifolds, the exhaust flaps seem like They are true duals, although they have chambers where the two exhaust streams meet, crossover. If you know someone who can weld cast iron, you can fabricate your own. Those provide the back pressure necessary for good performance. He daily drives it, so perhaps he can lend a hand with his pipe size. Without doing that or Search titles only. Looking to upgrade the exhaust on my 2013 FLTRX and want to eliminate the cat in the process. (1) Pack of stainless steel hardware. 1969 GTO Convertible - Restomod Underway 1983 El Camino SS - Original Choo Choo w/ '96 LT1/4L60E 2019 BMW 440ix twin turbo I6, 8spd auto. to true duals using the same slip on mufflers with zero other changes, I noticed a very slight decrease in power right off idle. I just ordered a set of Dutra Duals from Aussiespeed and I was curious what people do as far as what exhaust options (size, mufflers, true Duals with xpipe, y pipe to single?) also, do most people just bolt them on and drive to the exhaust shop open headers to have them make something or do people do any temporary downpipe solutions for driving hey; i got ahold of Doug Dutra, he let me know the procedure for ordering his duals set up. Bullitt95. In this video we introduce Gill Welding & Fabrication's FAT Pipe Kit for Dutra Dual exhaust manifolds. 4513 posts · Joined 2007 Add to quote; Only show this In this video I show the difference in sound between factory exhaust manifolds and a factory cat deleted 2. 4mm Hot Rods, 13. As Geezer said, the duals do get rid of a lot of the heat. Fourwheeler. The Power Duals are better, in my opinion. Your can buy either single outlet headers that maintain a single exhaust pipe, or go to dual outlet headers which let you have either dual exhaust or a larger single exhaust pipe. Is it possible to get the "Duals", and is this still considered the best choice for a mild street build. These new power tune duals will add 8 horsepower over your stock header pipes. My personal favorite is a set of Dutra Duals cast iron exhaust manifolds. P. Offline: EFI Slant 6: Joined: Wed May 28, 2003 4:08 pm If you can still get it, the header pipe from a Volare goes down from the stock slant exhaust manifold, The question is, what size pipe should I tell the exhaust guy to use to go from the Dutra duals to the exhaust pipes? The rear one has to make a tight bend around the mini starter motor, and both have to fit between the engine and frame, and clear the clutch fork and torsion bars. If you just want dual exhaust and dont care about improving exhaust flow get DD's. I would do it again without hesitation. The 600 Holley likely adds to the resonance too! Fopar runs duals on his 53 Ford off headers. I'm stage 1 with and EFI map done through a SERT (no dyno tune). In that case you'd use DDDs or do additional cut-and-cap work on the stock rear half to eliminate the heat tower. 2. The rear is a complete re design and is also made in Australia. The best Slant Six intake for a street-driven car is the factory Super Six 2-barrel setup. ) . Feel stronger in the mid-range. . Slant 6 Dutra cast iron exhaust header rear only AS0567R AUD $ 450. I can see what difference the headers make alone and post a video too. 10s, UCA, LCA, springs, CC plates) Save Share Reply Quote Like. 6636 posts · Joined 2009 Add to quote; Only show this user "I would not try to go both ways with the same engine. The big single made more lowend torque and got better mileage. See All 13 Photos. Aussiespeed Street & Racing One thing you have to remember, the farther from stock your engine is, the wider the spread will be between long headers, short headers, and Dutra Duals, especially if you start turning over 5000 rpm. Dutra Duals get you 6% to 8% gain, headers can get up to 12% (I dont think the "short" street headers get that much) One thing about the cast iron manifolds is that it will outlast any tube steel header. To me, the best true dual system is the Rineharts. Page 2 of 3 [ 32 posts ] Go to page Previous 1 2 3 Next Previous topic | Next topic : Author Message; THOR Post subject: Post Posted: Wed Jul 20, 2011 9:50 pm . Shop by category. I like the sound of duals, but I've read I will lose low end torgue. I tried dresser duals in 2009 and literally gave them away. Dutra Duals are probably a better choice Hey guys. Offline: 4 BBL ''Hyper-Pak'' Joined: Thu Aug 21, 2014 9:44 pm i was just thinking why they put that exhaust on it. Slant 6 Dutra cast iron exhaust header rear only AS0567R. AUD $ 450. 00. on new vehicles like the ram I'm not convinced it's that much better if any. meanwhile downstairs in the shop, my Mechanic said he wouldn’t recommend it. DUTRA DUALS CAST iron exhaust manifold headers not extractors new Aussiespeed - $990. This kit allows you to keep the comforts that you enjoy, while allowing you to bring the slant six in to a new Header: meta data about the request; HTTP Headers are NOT part of the URL; if it's information about the request or about the client, then the header is appropriate; headers are hidden to end-users; globally data; restrict Dos-attack by detecting authorisation on it's header, because a header can be accessed before the body is downloaded; Param: Don't use headers, use Dutra Duals instead. Dutra Slant Six cast iron Post subject: Clifford vs Dutra Duals. Don't give up on the slant just because you have a 318 in your garage. Post Posted: Sat Feb 27, 2021 6:56 pm . Very clean where pipes come together. jxsnlqxaiibrlphnyixqeizgsxllfdihoqedxjearigzpzg