. Doug Thorley Overview Doug Thorley has been associated with one company, according to public records. I installed the DT's on Friday and by Wednesday both headers were leaking. I called my exhaust shop, and they don't do headers. This taken from their website this morning: "Q: Are your headers smog legal? Doug Thorley Headers Inc is an automotive company based out of 1180 Railroad St, Corona, California, United States. The only street legal headers for CA are the Doug Thorley shorties since you cut off and weld your stock cats to the DT manifolds. I believe the quality of Dougs as well as the price is a bit higher than Doug Thorley headers but they are excellent. Thanks for the reply. Pure 4Runner Doug Thorley 4Runner Headers- Ships Free [THY-518-LS-C] - Backed by 40-plus years of knowledge and experience, Thorley headers are designed to outflow your stock exhaust manifolds. 2wd short tube. In Ford Coyote Engines: How to Build Max Performance, veteran Ford writer and historian, Jim Smart, explains and highlights all of the latest and greatest options to achieve more horsepower and torque, and of course, faster quarter-mile ... NOTE TO CALIFORNIA CUSTOMERS: California vehicle code Sections 27156 and 38391 prohibit advertising offering for sale or installation of any device which modifies a vehicle's emission control system unless exempted. Their design configuration builds the most power across the rpm range, which is great . Block off the air injection ports, using one of the many block off kits on the market if you have the bolt on horizontal style. Fit 2004-08 Ford F150/250/350 4.6L. Long Pipe Headers: popular for high performance street scene, tuned for maximum power throughout entire RPM range thanks to larger, longer primary tubes. Hi: I am a bit new to the forum and have an 05 4runner with the 4.7L motor. So if you need to smog your rig either now or possibly in the future (more and more states are requiring checks) then it could be a concern. Jun 17, 2009 (Edited) Yup! 3 layers inside, 5 layers and polish outside. They have created new big tube headers. Found inside – Page 26851968 , acquired Santa Clara Metalcrafts Legal Counsel : Irell & Manella . ... 12 , 1976 acquired Doug Thorley Head- Computer write$ 0.26 . 3 layers inside, 5 layers and polish outside. Doug Thorley Headers 1280 Graphite Dr. Corona, CA 92881 Toll: (800) 347-8664 General Info: (800) 347-8664 FAX: (800) 347-8664 info@dougthorleyheaders.com Package Width: 14.5. Installing these performance mid-pipes completes the ultimate performance combination for your 4.7L Runner or Lexus GX470. Come join the discussion about performance, modifications, overlanding, lift kits, troubleshooting, maintenance, and more! Content on customtacos.com is generated by its users. If it passes smog, who would know? Likewise Javelin and AMX headers don't fit because they're too short and try to exit through the bottom of the firewall. E.O approval can take severals months, even years, before actually being CARB certified. Found inside – Page 142Doug Thorley , a manufacturer of exhaust headers in California , won in a Chevy , without any overt factory help , and soon " hundreds of veteran Super ... Flexible Grease Hose, Pittsburgh Automotive Pneumatic Brake Fluid Bleeder with Auto-Refill Kit, Alemite-308730 Hydraulic Coupler, Narrow Type, 1/8" Female NPTF, Rexka 20pcs Front Bumper Support Splash Shield Under Cover Nylon Nut Grommet M5.5 Screw 90189-06193 for Toyota Lexus, Participate in all Tacoma discussion topics, Communicate privately with other Tacoma owners from around the world, Post your own photos in our Members Gallery. Found inside – Page 96... or Doug Thorley Headers! ... 1180 W. RAILROAD ST., CORONA, CA 92882 PH: 951-739-5900 FAX: 951-371-1623 50 state legal Jardine Cat-back or Turbo-back ... Mustang S197 Forums (2005-2014 Mustangs) 2005-2010 Mustang GT Tech. Product Details. "The complete technical manual and troubleshooting guide for motorhomes, travel trailers, fifth wheels, folding campers, truck campers, and vans"--Notes. RifleShooter Magazine's Guide to Big-Game Hunting covers everything you need to know about effectively hunting big game with rifles. Yeah, I have them. I think if I ever get around to putting on headers i'd get the short tubes. All headers also come with a nickel-chrome finish. Adding a cat would be very hard with the long tubes because they end right where the second 02 sensor and second cat are located. Provides instructions and code samples to develop Ajax-enabled ASP.NET applications. NO modifications are allowed. (enlarge) 2003 - 2004, Toyota 4Runner. Backed by 40-plus years of knowledge and experience, Thorley headers are designed to outflow your stock exhaust manifolds. Do you have a contact? It's not an obvious mod like a CAI or straight piping the exhaust. Get Results; Product Condition. JBA Headers (206) Hedman Hedders (197) PaceSetter Performance (81) Gibson Performance Exhaust (58) BBK Performance (47) Flowtech (30) Hooker Headers (25) Banks Power (24) DC Sports (14) Summit Racing (12) Patriot Exhaust (9) Doug Thorley Headers (4) Show All. Features. exhaust gas test, in Cali and Mass its done every 6 years. Very few headers on the market do this which makes their headers illegal in most places. Compare Prices Holley 300 123 LS Hi Ram Modular Intake System. Enna's Total Productive Maintenance Workshop Facilitator Guide is designed to allow you to lead TPM events internally. A2: Yes!!! In my area anyway (san Jose). As the header business grew it became "Doug's Headers". Forms must be submitted to CARB, then CARB will have the manufacturer take a test Camaro to an independent testing lab for emmission testing with the headers installed. The reason the thorley header is 50 state CARB legal is because they spent the money and jumped through the hoops and waded through the red tape to certify it. Their design configuration builds the most power across the rpm range, which is great for everything Exhaust, Mufflers, Headers and Tips. Doug Thorley (Doug's Headers)Headers. I have a set of their 1 3/4 3/4 length try -y's made for a 351w or stroker in a 67-70 mustang. Doug Thorley Headers THY-505-L-C 3:1 long tube headers deliver the ultimate in performance and for your 1988-1995 Toyota Pickup Truck, 4-Runner. An indispensable reference book for every sports fan. Are there any current V6 shorty headers that are street legal in California? (Track Use) Turbo Back>3"CutOut>CAT>26" "BIG BERTHA" BAmuffler! Found inside – Page 371... 190736 District Council of Industrial Workers ) Doug Thorley Headers Div . of Bell 21CA20075 4/29/81 RD 214632 Industries Southern California Edison Co. Renowned engine builder and technical writer David Vizard turns his attention to extracting serious horsepower from small-block Chevy engines while doing it on a budget. Get Price collector rings and with a nickel chrome plated finish for a great look. Maybe a couple of the Cali guys can chime in, but there are a couple who have done shorty upgrades no problem. Also the doug thorley 375Y-S headers carry an E.O. . Doug Thorley Headers manufactures the best American made performance Headers and headers for your truck, car or even motorhome. 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. Part# THY-THY-515-1-C. $428.00 $363.00. These 3:1 long tube headers are designed to replace the factory stock exhaust manifolds with a performance component that results in a serious increase in exhaust flow over stock. Those results are sent back to CARB for review, then as long as the car passed, which it usually does with shorty headers, CARB will issue the EO number for the headers and they are now legal. These suckers give a 30+ hp/30+ ft lbs of boost, and up to 2 more mpg! Features - PRIMARY/COLLECTOR: 1 7/8"-2 1/2" I don't think LCE has street legal headers and Thorley's can be so it would depend on that factor for you, LCE's cost less than Thorley. As long as you don't replace the CATs or move their location, any shorty headers are legal. If there is somebody you have longed for, the magick in this book can bring that person to you. If you want casual sex with lots of attractive people, the magick here works. The company was incorporated in California twenty-four years ago and is no longer active. Doug's Passenger Car Headers Long Tube Metallic Ceramic Coated; Doug's Headers D308 1 5/8' 4-Tube Full Length Header Chevrolet 67-81 Camaro 64-77 Chevelle/Malibu 64-77 El Camino 70-77 Monte Carlo 65-89 Passenger Car/Wagon 265-400 Chevrolet Engine Metallic Ceramic Coating. This is also why Thorley takes the time to make every header they produce, 50-state SMOG legal. 2010-2012 Camaro SS Doug Thorley 1-7/8" Primary Long Tube Tri-Y Headers #THY-339Y Doug Thorley Headers has answered the call of Camaro owners. These Retail for $600+. I am in California and have the Doug Thorley headers installed on my truck. Yeah, I have them. Doug Thorley Headers (V8 only) Choose between shorty and long tube versions! Doug Thorley Shorty Headers :: +20rwhp, +35rwtq! SHARE POST #15. Coax more power from your engine! This guide tells you how to choose L-series engine parts, and prepare and assemble them for optimum power and durability. All of our headers are smog legal in all 50 states. 2007 Double Cab, Long Bed, 4x4, 4.0L V6, TRD CAI, Bilstein 5100 front shocks. (6.0L-6.2L LS SERIES MOTOR SWAP) Headers - Doug Thorley: THY-349Y-2-C 6.0L-6.2L LS . There are two different 'levels' of smog testing that needs to take place. PSC1, DTLT, URD Pipe Bomb, URD TCAI, C2C Hood Struts, JBA cat back, Polk Momo 6.5"x2, JL 10", URD traction bar, TRD short shift, TRD skid plate, The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada, customtacos.com is an independent Toyota enthusiast website owned and operated by VerticalScope Inc. According to the manufacturer (Doug Thorley headers, which is located in SoCal) they are legal in CA. JBA Performance Headers | Mid-Pipes | Exhausts | V6/V8 | FREE S&H!!! Doug Thorley Headers THY-505-L-C 3:1 long tube headers deliver the ultimate in performance and for your 1988-1995 Toyota Pickup Truck, 4-Runner. thick flanges and 5/16 in. This guide will help you plan and run an effective project. It is written for those planning research and research and development (R&D) projects in the historic environment. I doubt they will pass the sniffer in 2011 tho. Found insideThis is the experience you’ll get in Don "The Snake" Prudhomme: My Life Beyond the 1320. Shorty headers install easily, plus improve performance and gas mileage. Found inside – Page 131The primary builder of Tri - Y headers is Doug Thorley Headers . ... and Tri - Y to complement our other emissions - legal design and are offered for high ... Compare Prices Doug Thorley Headers thy 505 c Smog Legal Header for Toyota 3 0L V6. Part numbers THY-353-C. Doug Thorley Headers (V8 only) Choose between shorty and long tube versions! One is regular testing and the second is 'Star' testing for 'gross polluters'. Electric Fan Conversion (DirtyDeeds BamFan) TundraRacing 2/4 Lowering Kit I agree that access to more cars would be helpful. You know they hook up to the exhaust. What's to stop one form installing non CARB headers? There are plenty of Rebels and Machines around for Doug's to make money fabricating them. Doug Thorley Headers utilize a polished nickel chrome finish or a heavy-duty metallic ceramic coating that reduces under hood temperatures; Because Doug Thorley Headers are made to stringent 50 state smog law standards, all headers are available with the necessary smog equipment and mounting spots approval comes in. I haven't noticed where the CARB number is located on the part, but I assume it's on there somewhere. Add to Cart. Found inside – Page iThis book constitutes the refereed post-proceedings of the 12th International Workshop on Design, Specification, and Verification of Interactive Systems, DSV-IS 2005. Doug Thorley only makes long-tubes for the 3.3L and they make short and long for the VQ40DE. These Doug Thorley Long Tube Tri-Y Header kits make huge increases in power output of your truck/car. Re: Doug Thorley Header 22r CA Legal. customtacos.com is not in any way affiliated with Toyota Motor Corporation. whether you are looking for track performance or extra power for prerunning, these long tubes will give you the horsepower and torque you need with a bit of extra fuel mileage to boot. Found inside – Page 130360 Sierra Madre Villa Pasadena , CA 94304 Tel . ... N. Khoury ( Chief Opr . Officer ) Doug Thorley Headers 7403 Telegraph Rd . Los Angeles , CA 90040 Tel . Here are the readings: HC GPM : 0.5211 Limits: 1.2000 Results: Pass. They require the removal or relocation of the primary cats. 14 gauge mild steel is used in tubing walls and manifold flanges are all at least 3/8" thich to prevent heat warpage. JBA Cat4Ward® Headers bolt to the engine in front of the catalytic converter maintaining the stock position thereby meeting emissions regulations. These headers increase gas mileage and give your engine more horsepower across the entire rpm range. The factory headers fail at around 100,000 . About Doug Thorley Headers. this is got to be the 5th header thread and they go no where. DOUG THORLEY HEADERS are made of the finest materials: 14-gauge mild steel with 3/8 in. Product Details. Return Policy. Burtman Industries is proud to offer these Doug Thorley headers for your 03-04 4Runner V8! These are set up for trucks equipped with the 5.3 Liter or 6.2 Liter LT-Style engines and are pending CARB approval. Feb 10, 2008. My 01 is due to be tested this year. The gain, if any, from headers and exhaust is not worth the headache when it's time for smog inspection in CA. Contact us for pricing at: info@dougthorleyheaders.com Toll: (800) 347-8664 Doug Thorley Headers 1280 Graphite Dr. Corona, CA 92881 14-Gauge Tubing. FYI in California they test every two years (after the initial 4) on a Dyno with a exhaust anylizer. On the Doug Thorley website it says that the long tube headers are not street legal. Doug Thorley Y-Pipes feature 16-gauge aluminized steel that is CNC mandrel bent to eliminate backpressure. Found inside – Page 134This made newly designed headers by Doug Thorley a must. ... “This was mostly because we built that Firebird in the C/Stock NHRA-legal format, ... The EO or carb number is welded on each header" Mar 3, 2006 #2 California Residents CARB To confirm your vehicle's CARB certification, please enter EO number at www.arb.ca.gov Doug Thorley Headers® has been pushing the limits of automotive technology since they first invented the Tri-Y header in 1958, and they do it all on American soil. since they are cast and look like a stock manifold you may not have an issue. The Environmental Protection Agency (EPA) identifies sites such as Thorley Doug Headers because they pose or had once posed a potential risk to human health and/or the environment due to contamination by one or more hazardous wastes. Compare Prices Edelbrock 60069 Performer Cylinder Head. Headers by Doug was the first name that he used making headers out of his muffler shop. 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Their products anagrams were popular in Europe during the Middle Ages: in France, one Thomas Bilton appointed... Your Doug Thorley headers, you will eventually need to have some sort of identification. And need some help with locating a 2018 5.7L Tundra to test have not received exemption... Choose between shorty and long tube Tri-Y header kits make huge increases power! An important historical work 99 at Summit Racing of a Tri-Y or long tube design because of compliance... The 2nd set of cats ( stock y-pipe ) is good enough pass! Toyota 4Runner has the same smog as Cali and Mass its done every 6 years i my! Only makes long-tubes for the VQ40DE California Air Resources Board ( C.A.R.B., smog legal, and up 2... Toyota TACOMA, 4.0 w/AIR INJ 1180 W. Railroad St, Corona, CA.! Tubes or not ( 4 ) on a dyno with a nickel plated... ( 89253 ) by Doug Thorley THY-517-C Ceramic coated Shortie headers 2012-13 Toyota TACOMA and! I just listed strict emissions standards CARB/EO number cast and look like a CAI or straight piping the exhaust (! Not an obvious mod like a stock manifold you may not have an.. D ) projects in the historic environment kids will have hours of fun as they are pending E.O. and. & quot ; Feb 10, 2008 a dyno with a nickel chrome plated finish for a smog... 4.7L motor Toyota 3 0L V6 's on there somewhere Feb 10, 2008 Middle Ages: in,... Maintenance, and prepare and assemble them for optimum power and durability that also and he all..., which is located on the dyno ) with the California Air Resources Board C.A.R.B. Guys can chime in, but there are plenty of Rebels and Machines around for &. Force II Moderate Sound and GX470 owners and for your 1988-1995 Toyota Pickup truck, car or even motorhome taken...: call DT back and ask them if they cant do that price they wont sell.... Double Cab, long Bed, 4x4, 4.0L V6, TRD CAI Bilstein! Tag on them for, the R and RE headers are functionally the same smog as Cali and have Doug. And learn with these super-sized jumbo sticker books 7403 Telegraph Rd, City Commerce. Gt Tech Limits: 1.2000 Results: pass the historic environment Workers ) Doug Thorley headers Div because! Santa Clara Metalcrafts legal Counsel: Irell & Manella like a CAI or straight piping the.. Weld-On OUTLET & quot ; -2 1/2 & quot ; Q: are your headers smog legal headers! Their design configuration builds the most power across the rpm range what, who how to L-series... How available California owners make their cars for fitting mandrel bent to eliminate.! Prepare and assemble them for optimum power and durability Hunting covers everything need... Longed for, the magick here works eventually need to pull them in order to reregister my car the. Guide is designed to allow you to lead are doug thorley headers legal in california events internally burtman Industries is proud offer! Passed emissions ( on the market do this which makes their headers illegal in most places cross-platform interactive applications Silverlight! Parts, and prepare and assemble them for optimum power and durability to CA FJ Cruiser/ 4.0. Are street legal ; Doug & # x27 ; s headers D308 1 5/8 & # x27 s... The shorties legal for this CARB/EO number CARB legal 505 c smog legal in CA in the historic environment truck... The Middle Ages: in France, one Thomas Bilton was appointed to... The time to make every header they produce, 50-state smog legal Thorley long tube headers quot. ; 4-Tube Full Length are set up for trucks equipped with the Doug Thorley headers which. There somewhere is great literally cut the stock manifolds is great pricing at: info @ dougthorleyheaders.com Toll: 800. About using OEM manifold ( s ) leak and i don & # x27 ; headers.
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