Doug Thorley Headers 4-2-1 Steel Long Tube Exhaust Header Kit with Y-Pipes (THY-306Y2-S-C) 0. The supercharger obviously takes the cake in terms of performance. Or, Engine HP vs Wheel HP. h2s with 39x14 17 Pit Bull Madd Dogs. I highly recommend them. We will be updating this post as well as writing another post on the actual install. California legal headers? However, these parts are not 50-state emissions-legal. In the bulletin it will list all makes models engines and applications. Installed Doug Thorley tri-y part# THY-509Y-C a few weeks back. Estimated International Ship Date: The gain, if any, from headers and exhaust is not worth the headache when it's time for smog inspection in CA. All Kooks Exhausts and Headers are handcrafted here in the USA! And as for the EGR valve I have never had it not work with many of the headers Ive tried. I live in san diego and have a Thorely headder. More in Corona; Edit Place; Force Sync. Starting 2013, vehicles '99 and older will be directed to Star facilities. stock 1.6 8v exhaust manifold puts out within 1HP of the thorley on the dyno. I haven't noticed where the CARB number is located on the part, but I assume it's on there somewhere. Some ugly heat shields would do the trickI agree also though when I looked at the DT site I was lead to believe they already had their CARB exemption completed. I want to get Doug Thorley Tri-Y Headers for my 02 excursion but its not listed on there site. SHARE POST #15. Estimated International Ship Date: There are a few other options for tuners out there, but Diablo is supposed to be the best. I thought DT headers were smog approved. Apr 17, 2023 I am talking from experience of me buying a tuner for the 4runner Unichip and Underdog racing are the only tuners which state compatibility with the 4runner. Then, we might start looking at a Cat-Backexhaust system. Trying to find another manufacture that sales a carb smog legal header for my 1.3, I have searched the net with no luck. Bare stainless finish. Summit Racing will BEAT any competitor's advertised price! Tyler, Yeah, I will get the link posted in the article, my bad. Subscribe to our Newsletter . When we think of power in a 5th Gen, we all immediatelypoint to the Magnuson SC orTRD Cold Air Intake. Apr 24, 2023 Very thick , heavy and well built to last. The Dougs headers have been worry free. Website says for 2005-2015 2.7. Pretty sure it has it for the super duty smog legal in CA. Our qualified team is always here to answer your questions at 909-599-5955, Full color catalog with part number reference. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. (383), Temporary non-high temperature paint (155), JBA Performance Exhaust Cat4ward Headers 1961S-2JT, Banks Power TorqueTube Exhaust Manifolds 51306, JBA Performance Exhaust Cat4ward Headers 1850S-2JS, JBA Performance Exhaust Cat4ward Headers 1961S-2, JBA Performance Exhaust Cat4ward Headers 1628SJS, Banks Power Revolver Exhaust Manifolds 51327, JBA Performance Exhaust Cat4ward Headers 1830S, JBA Performance Exhaust Cat4ward Headers 1628S, JBA Performance Exhaust Cat4ward Headers 1669S, JBA Performance Exhaust Cat4ward Headers 1850S-2, JBA Performance Exhaust Cat4ward Headers 1676S. The car is fast. We drive an enthusiast culture and would love to help you make the right purchase decision. Just stick with OEM. I too remember claims of the DT header having CARB certification, which makes it legal. LOVE my Magnaflow! 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I waited a little too long on that one. Primary Tubes, Cadillac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, Pair, 4.54 out of 5 stars I went with Vivid Racings ECU reflash (fuel to air, etc.). Mobiledreams likes this. Newbie Questions, Login with username, password and session length. This Executive Order is granted based on emission test data conducted by Doug Thorley Headers . Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a . Terms of Service. They also feature accurately formed long transition collectors to reduce backpressure and polished MCTB coating to resist corrosion and heat up to 1400 degrees. For a better experience, please enable JavaScript in your browser before proceeding. Powered by Juicer Jul 31, 2023 What tuner are yall talking about. So, it is important to get a tuner after your install yourDT Headers. Add to cart. Do you think we can run high flow cats legally in Cal? 4-Point mounting with welded diagonal cross brace and shoulder harness bar. The back pressure used to operate the EGR is produced by the cat and if you don't have a cat by the muffler. Would love some tips for the install if you guys have any. The secrete to running a Doug Thorley header (or any make for that matter) is to keep the rest of the exhuast tubing on the smaller size. Production time is 3-4 weeks (plus shipping). . This install took around 8 hours. no cats at all. Is Doug even around anymore or has he left the party? Stay Updated with Emails from Summit Racing. If the cost of finished goods did not go down,then why move in the first place? VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Today, Headers, Cat4ward, Stainless Steel, Ford, Pickup, 5.4L 3V, Pair, 3.75 out of 5 stars So if you are looking for a non smog legal RE header, just make your current 22r header into one. A competent inspection station will be looking for this CARB/EO number. Alternatively, what if you lived in another state where the headers are legal and then moved to CA? You can only smell fear if the fearfull have loose bowels. Apr 3, 2023 Test Pipes are not to be used on a public road in the state of California - not CARB approved. They are not as good of quality and are NOT STREET LEGAL. JBA works closely with C.A.R.B. Using any type of wrapping material on the headers will destroy the ability to dissipate heat, causing very rapid deterioration of the composition of the metal and the subsequent failure of the headers. Headers work by eliminating the manifolds back-pressure. Doug Thorley and Jardine are together in Corona, CA. After reading our article on the Magnuson Supercharger and a general overview on the 4R Supercharger, you are probably sold. . You can also install a Pedal Commander which alters your throttle lag time. -Craig Hospital Spinal Cord Unit. Thanks guys. Bad diaphram? Man these really got me thinking and might rearrange the build list now dang it. Time to install the drag setup on the runner, well see who gets to the top of the trail first! I hada set of Doug's on my old '67 Malibu and they were beautiful. Do any of the California guys have approved headers and do you ever have trouble with smog test inspections? I'm in Visalia. I don't know how legal it is , but the stock 1.6 8v exhaust manifold puts out within 1HP of the thorley on the dyno. Press the space key then arrow keys to make a selection. But if you must have aftermarket stuff, just run whatever brand you want and spend a couple hours every 2 years to unbolt them and return to stock for the inspection. Didn't really like the Doug thorley as it does not produce enough back pressure for the egr to function correctly. E.O. $859.95. So if you painted them to make them look older, they would pass visual inspection? warped parts or damaged parts. Well, except for the exhaust leaks that thorley's always have, but that can be solved with a remflex gasket. I am waiting until after I smog now, which is coming up this year at some point. Parts For Sale, Started by halfxspaid Hmmmm good to know about the 1.6 8v header HP notes as Im running one right now. as they are pending E.O.# and won't be a problem. After talking with Doug Thorley, they recommended the Diablo Tuner. Primary Tube O.D., 2.000 in. 4 Photos. For this reason, the warranty covers all need the replacement of the components, it does not cover labor for the installation. I think it was an original Calmini design. ( 7 ), Estimated USA Ship Date: Eastern WA. ( 21 ), Estimated USA Ship Date: All headers also come with a nickel-chrome finish. ( 16 ), Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Ford, Pickup, SUV, 5.8L, Pair, 5.0 out of 5 stars To become legal, all shorty headers MUST BE a direct bolt in replacement of the stock manifolds. Like all JBA products, JBA Long Tube Headers are custom designed for your vehicle application and include all the necessary gaskets, hardware, and installation instructions. Commonly-recommended brands are Doug Thorley, Pacesetter, and Dorman. I have a 1.6L with a stock carb that has been rejetted that I throw on every two years along with all the bits for smog. Installing the DT Headers would be a substantial increase in power. This Doug Thorley performance header system is designed to increase exhaust flow and to increase performance, but it still retains emissions compliance. ( 18 ), Headers, Cat4ward, Shorty, Stainless Steel, Natural, Dodge, Ram, Hemi, Pair, 3.75 out of 5 stars For theDoug Thorley Headers, I am projecting a similar time. Call him up if you have any questions ask for Nick Mr T body, Nov 17, 2007 SHARE POST #4 SoCalCarCulture BANNED from Orange County, CA Bad weld or slag in the way? ( 20 ). It was thin wall steel. For a projected time, I am thinking it will be along the same lines of the Stage 2 Icon Suspension Install. 1970 FJ40 Ford 351w, Edelbrock aluminum heads, Holley carb, 4inch lift, 33' tires, Dune beige, unknown miles (broken odometer). I believe JBA headers are also CARB legal. I have mine on order and asked about that also and he said all is o.k. Doug Thorley Headers Headquarters 1280 Graphite Dr Corona, California92881 (800) 347-8664 Driving Directions Doug Thorley Headers Summary ABOUT Overview Doug Thorley Headers was founded in 1958. Reviews; This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles. Sandy Belond was building headers in Mexico in the 1960's. DOUG THORLEY HEADERS are made of the finest materials: 14-gauge mild steel with 3/8 in. Choosing a selection results in a full page refresh. He passed away peacefully at his home in . Only a matter of time until we get the "Star" system Good luck finding a STAR smog shop that'll turn their head at aftermarket stuff. What is the difference between engine hp and rwhp? If you are looking for more power, seriously consider grabbing a set of theDoug Thorley headers. Installation requires cutting the front catalytic converters from the stock manifold and welding them on to the new performance headers. Ill let you know how the Y-pipe and Unichip work out. Engine, Started by 3.4Runner Even with that I am not sure if it would throw a CEL. I have a cat and muffler, like I mentioned before, placing the stock header on has NO issues at all, it when I place the DT header on is when the engine light comes on, I replaced EVERY sensor, diaphram around the egr with brand new Suzuki parts, getting to my headache again, even had two automotive shops look at it as well and all pointed to the header. Quality, heavy duty stainless steel construction producing massive power gains are synonymous to the JBA design philosophy. For my 93 pickup I've had to do both star testing and regular smog. people get kind of confused when they see this car bone out. damn. 1988 Ramcharger: 318 TBI, 727 Auto, 32" on Eagle Allow 589's, Crappy Black Paint, War Wounds . It's not an obvious mod like a CAI or straight piping the exhaust. ( 40 ), Estimated USA Ship Date: I know Jere Stahl retired and I think Doug was doing this back in something like 1959? Location: So. Doug Thorley headers to be exact. $909.95. After your exhaust system and your Cat-Back exhaust system is complete, you can only hope to afford the Magnuson Supercharger. to gain E.O. For a better experience, please enable JavaScript in your browser before proceeding. So I assumed(sorry), that he still worked at Dougs. I thought about that. FS: Doug Thorley 4.7 V8 VVTi Headers Richmond $650: edwardvmassey: For Sale Members: 2: 05-27-2015 08:50 AM: Interest in Custom built 4th gen V8 4.7 Doug Thorley Headers: brighton: 4th Gen 4Runner & Hilux Surf: 13: 05-24-2012 03:53 AM: Doug Thorley Header Update: Beancounter25: 4th Gen 4Runner & Hilux Surf: 1: 08-26-2009 10:01 AM: Doug Thorley . Estimated International Ship Date: Good question. I researched the Diablo tuner and talked to them, but this doesnt work on the 2010 4Runner. You can order this part by Contacting Us. Every Doug Thorley Header is made in the USA and includes a sharp nickel chrome finish that's polished to a sweet gleam, or a metallic ceramic coating that withstands high heat. The DT shorties come with a CARB EO # thats visible for smog inspection.. SUMOTNK, Aug 2, 2016 #4 They're ceramic coated. International Customer Options|In the United States? Done deal. Opens Wed 8a Independent. Good to hear from everybody. $1,054.60. Terms of Use | Privacy and Security | Site Accessibility We've sent you an email with a link to update your password. They pull and peak out very differently in the real world. If not, anyone have any knowledge on when they might be created? You are using an out of date browser. I went full straight pipe. Estimated International Ship Date: These are the shorty tubes. LC headers looked good, but I Live in California so I need carb approved headers and I do have egr valve. I don't know how legal it is , but the stock 1.6 8v exhaust manifold puts out within 1HP of the thorley on the dyno. If it passes smog, who would know? If youve done it already, please let me know how you like them. JBA Cat4Ward Headers bolt to the engine in front of the catalytic converter maintaining the stock position thereby meeting emissions regulations. Doug Thorley Headers. But, we do have plenty of options to increase our horsepower and torque. Please call your Doug Thorley Headers distributor if there are any questions regarding the legality of the of the installation. 2004 V8 4Runner Limited. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); document.getElementById( "ak_js_2" ).setAttribute( "value", ( new Date() ).getTime() ); Have you guys done an install for the Doug Thorley headers on a 5th gen 4runner? I probably have about 500 miles on them. Block Tester BT-500 Combustion Leak Test Kit - Made in USA, Dorman 973-582 HVAC Blower Motor Resistor Kit Compatible with Select Toyota Models, Loctite Threadlocker Red 271 Red 0.2 fl oz, 1 Tube, Solary Magnetic Induction Heater Kit 1000W 110V For Automotive Flameless Heat Induction Heat 1KW Hand Tool, 3M 6396 Adhesion Promoter Attachment Tape Liquid Primer - 4 Pack, ATP AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle, Sonax 03401000 Rubber Protectant GummiPfleger, 3.38 fl. I didn't even know there was a new test until I was at the counter and the tech was like dude I can't smog your truck - sucks but that's just how it is. As we mentioned above, you will need a tuner. So, you're wondering do I need a Shorty Header or a Long Tube Header for my application and what's the difference? Junior Member : Join Date: Apr 2016. ( 62 ), Estimated USA Ship Date: ( 41 ), Estimated USA Ship Date: I've seen some articles on the net saying that there are apparently SOME headers that are approved for a C5 Z06 by CARB in California. Check with Nick at D/T Headers. Exhaust Headers For Chevy GMC Avalanche Silverado Sierra Tahoe 1500 1999-06 4.8L 5.3L V8. All Doug Thorley headers are built form the toughest materials to the strictest quality control standards. Only time I ever failed smog was due to a bad CAT. I hate to say it but Id go over it again. What did I (or you) miss since posting this? The Fora platform includes forum software by XenForo. Estimated International Ship Date: More compact fit, 14 gauge, coated inside and . Made to small? Instagram: | 'The Mule' | Blue Vapor Metallic | Mrs Oregon, 1999 100 Series | Slee Rear Bumper, BlueBerry Front | 4.88's | Metal Tech Sliders | ARB Ft Lockers | 285/75/17 Toyo AT II | 17" 200 Series Wheels | SPC UCA's | N6MUD - Icom 880 D-Star UHF/VHF radio - Kenwood TS-480 HF Radio | Kenwood DNX-7140 Nav | Slee Heavy Coils with Radflo 2.5'' Shocks | Warn VR 10K Winch, 2020 URJ200 - 1997 FZJ80 3x - 1972 FJ40 -, 1975 Hilux, 1993 X-Cab 4wd, 2002 Land Cruiser, 2013 Prius, A man's greatest strides are made without taking a single step. You just came across like a dick, so I had to as well. Horsepower is measured in two locations on your 4Runner; your rear wheels and your flywheel (crankshaft). No EGR on the Excursions. I've seen some articles on the net saying that there are apparently SOME headers that are approved for a C5 Z06 by CARB in California. Do these headers fit on a 2017? Once this happens, your ECU will throw off some check engine lights. Hey can anyone tell me if headers are legal to put on in California or to be specific Sacramento Ca. Just make them here and be done with it. ( 25 ), Estimated USA Ship Date: The following errors occurred with your submission, 1987 - 1996 F150 & Larger F-Series Trucks, Lightning, Harley-Davidson F-150, Roush F-150 & Saleen F-150, Conventional (Bumper Pull) Towing; Travel Trailers & Pop-ups, Toy Hauler Towing; Fifth Wheel & Bumper Pull, Flatbed, Car, Boat, Utility, Horse & Misc. The stock intake preheater tin plate thing, hose clamped or wired over the header has all they have asked for. According to the manufacturer (Doug Thorley headers, which is located in SoCal) they are legal in CA. Cheers. Parts For Sale, Started by woodyth it may pass a smog inspection, but if you get pulled over and a cop sees it without a CARB number.. better believe you'll get a ticket. Where do you get this info???? Doug Thorley Headers. Who is the go to Tuner after install? Doug Thorley was an American Funny Car drag racer, hot rodder [1] and businessman. Let me know what you want for it. $1,110.33. Thanks for letting me/everyone know that Unichip and Underdog racing are the options. The 16v manifold is completely different from the 8v manifold. This may be seriously harmful to your 4Runner. They used my truck for the prototype hemi headers (2007 Dodge) and also installed a Jardine catback system. We had a plant there already doing our JBA line for many years. Differences aside, both JBA Shorty and Long Tube Headers feature JBA's patented Firecone Collector which smooths the transition between the volume changes in the Collector, maintaining maximum exhaust velocity resulting in a noticeable increase in power and efficiency that you won't find with other headers. Yeah, we might go with the Supercharger but it all depends on how the month turns out financially. AFE headers comes with their version of high flow cats..but because it's aftermarket, it's not CARB legal. I understand the egr and how it works, I was just explaining how I removed it and it still ran and also no loud exhaust noise. The issued EO number MUST be displayed on the header or on a provided sticker that must be placed in the engine compartment in view of the smog tech (or cop, if he knows what he's looking for). Contact Us - Estimated International Ship Date: What type of shop do I go to? I called my exhaust shop, and they don't do headers. Pursuant to the authority vested in the Air Resources Board by Section 27156 of the . Today, Headers, Cat4ward, Stainless Steel, Natural, Chevy, GMC, Small Block, Pair, 4.88 out of 5 stars What's to stop one form installing non CARB headers? Today, Headers, Shorty, Steel, Painted, Ford, Pickup, SUV, 5.8L, Pair, 4.03 out of 5 stars No claim of any Kind, such as "Approved by the Air Resources Board" may be . And do you have a link? it needs to be smog legal though. Thinking I need that catback and header really want to S/C but the expense is just not in the budget right now. Quote THE MENACE. Before dropping it off at a local muffler shop to have the headers installed and a custom exhaust built I took it out to a deserted stretch of flat road and did a 0-60 time so I could get some . Now I can't even find them on their websiteodd. Hedman Shorty on the bottom. Quality is still as good or better than when Doug owned it. ( 59 ), Headers, Shorty, Steel, Painted, Chevy, GMC, V8, LS, Pair, 3.77 out of 5 stars Have confidence in your purchase with hassle-free returns, Always call us first! In some ways Washoe County Nevada, where we lived the past 17-years, had more stringent licensing requirements than CA. . Is there a difference with the 1.6 16v stock header because I have one from my 1.6 engine. ( 5 ), Headers, Cat4ward, Stainless Steel, Natural, Ford, Pickup, SUV, 5.8L, Pair, 3.8 out of 5 stars The jigs were bullet proof and the tubes were cut in Los Angeles and shipped across the border. Cost. Throttle Tuning; . I want to complete as much of the system as I can. Stainless steel is stronger than mild steel and minimizes exhaust noise. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. I see the headers on eBay for about $600. Scott, I appreciate the feedback, and yeah the post was packaged from a long conversation that I had with DT. We would all love for the headers to be legal in California, but as we all know California has strict laws. NO modifications are allowed. JavaScript is disabled. Monday 3/6/2023 Today, Headers, Shorty, Steel, Ceramic Coated, Ford, Small Block, Pair, 3.95 out of 5 stars I'll probably be picking up a set of doug thorley's once their E.O. fastspec2 posted it on the zuwharrie boards, he's got some sweet information on these engines. TheDoug Thorley Headers are intended for use on vehicles that are involved in close course racing applications. So where would I get it done? ( 100 ), Headers, Cat4ward, Shorty, Stainless Steel, Titanium Ceramic Coated, Dodge, 5.7L Hemi, Pair, 4.28 out of 5 stars Come check out discussions on performance, specifications, modifications, purchasing, maintenance and more! You can see they're black here. The shorty design yields high performance gains that street car enthusiasts crave. Let's face it, you are not going to get pulled over in your 4Runner for it "sounding different". Doug Thorley only makes long-tubes for the 3.3L and they make short and long for the VQ40DE. That is who DT initially recommended for a tuner. Magnaflow muffler Doug Thorley headers K&N Drop in. What a shame Are the headers availible for less to the public now that the company has saved in labor costs? ( 10 ), Headers, Cat4ward, Stainless Steel, Natural, Ford, 6.8L V10, Kit, 5.0 out of 5 stars . Apparently they need to have some sort of CARB identification tag on them? Ill start the bid at $100 for the header. JBA Cat4Ward Shorty Headers are designed to accommodate all emissions control devices while offering increases in power, particularly in the midrange power band where street cars will notice the largest improvement. The use of any type of header wrapping a mediately voids your Doug Thorley Headers warranty. Showing all 5 results Free shipping ** aFe Exhaust, Cat Pipe, 05-15 Tacoma . I cant find one that supports the 2013 and up 4Runners. JBA's shorty design is a modern innovation of the old header design. Each header is built with high-quality materials and assembly to ensure a leak-free exhaust as well as improved engine power and performance. Filter my search results to see Summit Racing brand parts. Certification where applicable, 3/8" thick CNC laser cut flanges to prevent warping combined with sealing beads to prevent leaks, Proprietary JBA Firecone merged collector for increased HP/Torque and improved exhaust scavenging, O2 sensor provisions on EFI headers for proper connection, Large mandrel-bent stainless steel primary tubes for maximum flow and high RPM efficiency, Oversize exhaust ports to accommodate ported cylinder heads. This is crazy. JBA Long Tube Race Headers provide you maximum power across the RPM range. Thanks for all the extensive write-ups! Are try literally failing it because your exhaust is shiny? There is always some confusion as Doug's last company was Doug's Headers, and his Ex-Wife's owned Doug Thorley Headers for many, many years until she passed and it was sold to a small company in Corona CA.. hotroddon, Sep 26, 2012. Model #THY-563Y-LS-C. . My old neighbor is the cust serv manager. Why does Diablo Sport not even mention the Toyota on their site? Michael, Yeah, these headers are going to be sick! Doug Thorley Headers DTH 100% American-made products. Excellent workmanship. My last header died after about 8 years of hard on and off use. Our qualified team is available to answer all your questions, Overwhelmed with your options? Permatex 80078 Anti-Seize Lubricant with Brush Top Bottle, 8 oz. WOW. Affiliate. It is awsome! thick flanges and 5/16 in. Tracy Blackford, 65 Mustang FB, 331 built with 289 H beam rods and 383W piston, 282S cam, self ported '70 351w heads, Dougs Tri-Y headers. If you are racing your vehicle and not using it on the street, JBA Long Tube Headers will help you achieve maximum power from your engine. Headers make it easier for our 4Runner to push out exhaust gases from the cylinders in our engine. of 686, Headers, Shorty, Steel, Painted, Chevy, GMC, Pickup, SUV, 5.0L, 5.7L, Pair, 3.99 out of 5 stars If/when I dive into major engine mods, would just register my truck at my parents house in AZ. Kooks Headers. Privacy Policy. When you install yourDoug Thorley Headers, you will need to grab a tuner. Legal Name Doug Thorley Company Type For Profit Contact Email info@dougthorleyheaders.com Phone Number 951-739-5900 Lists Featuring This Company Greater Los Angeles Area Retail Companies 3,561 Number of Organizations $8B Total Funding Amount 823 Number of Investors Track California Shopping Companies May 29, 2023 Instagram Live Feed. If you are an international customer who ships to a US address choose "United States Shipping" and we will estimate your ship dates accordingly. 10 chevy avalanche headers Review: 1. Are you installing long headers? clogged port? Cookie Policy - Doug Thorley Headers 304 SS Long Tube 4 To 1 Exhaust Header Kit with Connector Pipes (THY-312) 0. Results 1 - 25 Keep in mind, the setup I have only works with the full Long Header set-up (no cats), CAI, etc. Headers combined with an aftermarket Cat-Back system and a Cold Air Intake will have your 4R pushing much cleaner, faster, cooler, more efficient air. Every Doug Thorley Header is made in the USA and includes a sharp nickel chrome finish that's polished to a sweet gleam, or a metallic ceramic coating that withstands high heat. Doug Thorley Headers manufactures the best American made performance Headers and headers for your truck, car or even motorhome. Go to diablo site yourself and provide us with the model you are so sure exists. collector rings and with a nickel chrome plated finish for a great look. I've been looking for one. Tri-Y (or 4 into 2 into 1) style headers by design will increase the power of your motor across the widest RPM band possible. I'm planning on putting it on my 22r after i convert it to fuel injection assuming i don't sell it. After numerous frivolous Workman Comp filings that were bogus and cost us thousands of $$ due to the ridiculous laws in CA, we moved south. Great welds. The RPM range trying to find another manufacture that sales a CARB smog legal for... Performance header system is complete, you will need to grab a tuner after your exhaust system is designed increase... Have EGR valve I have searched the net with no luck test data conducted by Doug headers., Toronto, Ontario, M5V 2H1, Canada my last header died after about 8 years hard... ( 21 ), that he still worked at Dougs a nickel-chrome finish,,... 14 gauge, coated inside and love for the EGR to function correctly a projected time, I have noticed... Egr to function correctly headers on eBay for about $ 600 my search results to see summit Racing brand.... American Funny car drag racer, hot rodder [ 1 ] and businessman Cat-Back system! And what 's the difference between engine HP and rwhp Supercharger, you 're do... 14-Gauge mild steel and minimizes exhaust noise as for the prototype hemi headers ( 2007 Dodge and. Get this info???????????! Back pressure used to operate the EGR valve I have n't noticed where the CARB number located... Heat up to 1400 degrees at 909-599-5955, Full color catalog with part number reference some sweet information these. Privacy and Security | site Accessibility we 've sent you an email a! And as for the headers to be the best American made performance headers and headers my. Thorley, Pacesetter, and they do n't sell it at some point options to increase exhaust flow and increase... Letting me/everyone know that Unichip and Underdog Racing are the headers availible for less to the strictest quality standards. Right now collectors to reduce backpressure and polished MCTB coating to resist corrosion heat... Go to Diablo site yourself and provide Us with the Supercharger but it all depends on how the month out... Another post on the zuwharrie boards, he 's got some sweet information on these engines same of... And might rearrange the build list now dang it the exhaust leaks that Thorley 's always have but. The components, it is important to get Doug Thorley, Pacesetter and! Is granted based on emission test data conducted by Doug Thorley headers, you 're wondering do I need catback... Installed Doug Thorley tri-y headers for your truck, car or even motorhome Long on that one I. I CA n't even find them on to the public now that the company has saved in labor?!, these headers are going to be legal in California so I had to both... Fuel injection assuming I do n't do headers: more compact fit 14... The install if you are looking for more power, seriously consider grabbing a set of theDoug Thorley headers &. What 's the difference not, anyone have any knowledge on when they see this car bone.! To resist corrosion and heat up to 1400 degrees and might rearrange the build list now dang it are to! Talked to them, but that can be solved with a link to your! To be used on a public road in the bulletin it will list makes! 2007 Dodge ) and also installed are doug thorley headers legal in california Jardine catback system will BEAT any competitor 's advertised price the cake terms... Heavy and well built to last pull and peak out Very differently in the Place... The stock Intake preheater tin plate thing, hose clamped or wired over the header has all have! Street legal Login with username, password and session length have EGR valve: more compact,... Requirements than CA a Full page refresh the Stage 2 Icon Suspension install headers to. Setup on the 2010 4Runner the engine in front of the finest:! Headers warranty manufacture that sales a CARB smog legal header for my 02 excursion but its listed. The super duty smog legal header for my application and what 's the difference between engine and. Jba Long Tube exhaust header Kit with Connector Pipes ( THY-312 ) 0 Id go over again. To get Doug Thorley only makes long-tubes for the installation control standards looked good but... Complete, you will need to grab a tuner after your install yourDT.. Expense is just not in the budget right now out financially in Cal warranty. Performance header system is complete, you 're wondering do I need a shorty header or a Long Race! The Doug Thorley headers K & amp ; N Drop in the space key then arrow keys to make selection... A CEL of Doug 's on there site Racing applications am waiting until after I smog now which... Transition collectors to reduce backpressure and polished MCTB coating to resist corrosion and heat up 1400. The cake in terms of performance gauge, coated inside and and Dorman down, then move... Carb identification tag on them after reading our article on the Magnuson Supercharger options to increase exhaust flow to! Have approved headers and do you get this info???????????... Differently in the budget right now do headers at 909-599-5955, Full color catalog with part number.! Welded diagonal cross brace and shoulder harness bar are synonymous to the new performance headers to say it Id! On eBay for about $ 600 options to increase our horsepower and torque when you through! Performance header system is designed to increase performance, but Diablo is supposed be. Certification, which is located on the Magnuson SC orTRD Cold Air Intake a nickel plated! Built form the toughest materials to the authority vested in the first?. Install a Pedal Commander which alters your throttle lag time ( or you ) miss since this... Drop in be the best top Bottle, 8 oz has all they asked! Let me know how you like them need the replacement of the trail first which makes it legal for... Gen, we might go with the 1.6 16v stock header because I have one from my 1.6 are doug thorley headers legal in california have! Options to increase performance, but that can be solved with a nickel chrome plated finish for a.. Well, except for the installation of header wrapping a mediately voids your Doug Thorley tri-y for... This reason, the warranty covers all need the replacement of the headers are legal to put in. 5Th Gen, we might start looking at a Cat-Backexhaust system packaged from a Long header! They also feature accurately formed Long transition collectors to reduce backpressure and MCTB. Plenty of options to increase our horsepower and torque smog test inspections may earn an affiliate commission, which our. Is completely different from the stock Intake preheater tin plate thing, hose or... We will be directed to Star facilities is always here to answer your questions, Overwhelmed with your?. Thorley headers are built form the toughest materials to the authority vested in the USA the Toyota on site! Even mention the Toyota on their site '99 and older will be along the same lines of trail. In our engine still as good of quality and are not as good or better when... Thorely headder control standards and polished MCTB coating to resist corrosion and heat to... Coming up this year at some point thick, heavy and well to! Alternatively, what if you are looking for this reason, the warranty all... Of CARB identification tag on them and Jardine are together in Corona ; Edit Place ; Force Sync California not. In front of the components, it is important to get a tuner after your exhaust is shiny in 1960. Have plenty of options to increase exhaust flow and to increase performance, but that can be with... Lines of the me if headers are legal and then moved to CA and. Installing the DT header having CARB certification, which is coming up this year at some.... Converters from the stock manifold and welding them on their websiteodd Yeah, might. Car bone out for Sale, Started by 3.4Runner even with that I had with DT 'm planning on it... 8V exhaust manifold puts out within 1HP of the finest materials: 14-gauge mild steel with 3/8 in &. Engine HP and rwhp the VQ40DE the Y-pipe and Unichip work out * * aFe exhaust, cat Pipe 05-15. Anti-Seize Lubricant with Brush top Bottle, 8 oz supports our community all Kooks and. Hmmmm good to know about the 1.6 8v are doug thorley headers legal in california manifold puts out within of. 31, 2023 test Pipes are not as good or better than when Doug owned.... One from my 1.6 engine real world have never had it not work with many of the first... Now I CA n't even find them on to the strictest quality control standards to put on in so... The VQ40DE purchase through links on our site, we might start looking at a system. In close course Racing applications are doug thorley headers legal in california??????????????! The front catalytic converters from the 8v manifold will BEAT any competitor 's advertised!! The EGR to function correctly it 's on my old '67 Malibu and were. More stringent licensing requirements than CA County Nevada, where we lived the past 17-years, had more licensing! Sure if it would throw a CEL Supercharger obviously takes the cake in terms of |... Is a are doug thorley headers legal in california innovation of the trail first 3/8 in be a substantial increase power! The CARB number is located in SoCal ) they are not Street legal nickel-chrome finish are doug thorley headers legal in california Diablo not... Lines of the headers availible for less to the public now that the company has saved in costs... Long-Tubes for the headers on eBay for about $ 600 love some tips for the EGR to function.! In CA selection results in a Full page refresh truck, car or even motorhome and...