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. 2004 V8 4Runner Limited. If you are an international customer and would like to change the currency that prices are displayed in, you can do so here. Doug Thorley Headers' headquarters is located in Corona, California, USA 92881. As I recall, the duty was for the added value and not for the complete unit. They used my truck for the prototype hemi headers (2007 Dodge) and also installed a Jardine catback system. The sound got deep and tough and waaaay quieter, to my surprise. I hate to say it but Id go over it again. I have no experience with them, but if I do go with headers it is the cheapest shot to kill the CEL other than to possibly relocate the O2 sensors after a High flow cat you weld in after the Y-pipe. That is who DT initially recommended for a tuner. Opens Wed 8a Independent. Have confidence in your purchase with hassle-free returns, Always call us first! Collector Diameter, Jeep, 4.0L, Each, 4.71 out of 5 stars Parts For Sale, Started by halfxspaid 218/224 .570/.565 113LSA, 1.6 roller tip rockers, Ported heads, Nelson tune, Vmax intake manifold spacer, 180 Tstat, Thorley headers, x . Street to Severe-Duty. Doug Thorley Shorty Headers :: +20rwhp, +35rwtq! Stainless steel is stronger than mild steel and minimizes exhaust noise. Engine, Started by 3.4Runner Please call your Doug Thorley Headers distributor if there are any questions regarding the legality of the of the installation. Long Tube Headers do not meet federal emissions standards and will be marked with an Emission Code 2 or 3 throughout our product pages. Privacy Policy. This is why I love this site. Im talking with a company called UTune and will keep you posted. I know Jere Stahl retired and I think Doug was doing this back in something like 1959? 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. 10 chevy avalanche headers Review: 1. Interestingly, the shorties that Doug Thorley also offers are true 304 stainless. Doug Thorley Headers - Free Shipping on Orders Over $99 at Summit Racing Welcome My Account Order Status Wish List Savings Central Shop by Brand Shop Your Passion Shop Your Passion Truck / SUV Jeep Gifts, Clothing, & More Restoration Stock Replacement Late Model Muscle Tools Circle Track Street Rod Powersports Paint & Body Marine Jr Dragster My old neighbor is the cust serv manager. The Dougs headers have been worry free. JavaScript is disabled. Joined: Mar 9, 2002 warped parts or damaged parts. thus why i didnt weld up the holes and move the o2 port. You can see they're black here. After your exhaust system and your Cat-Back exhaust system is complete, you can only hope to afford the Magnuson Supercharger. Today, Headers, Street, Long Tube, Steel, Temporary Paint, Ford, Big Block 385, Pair, 4.78 out of 5 stars 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. man, if you were a week earlier you would have saved me $200. It is important to note that theDoug Thorley Headers do not comply with California Air Resource Board regulations and are not legal for sale or for use on pollution control vehicles in the state of California. Hedman Shorty on the bottom. No EGR on the Excursions. They don't exist in the aftermarket unless you have some made. The ones for the f250 will fit. You can order this part by Contacting Us. . Description Doug Thorley Headers will fit the 2005-2009 Toyota 4Runner and Lexus GX470 with the 4.7L V8 engine. About a cop seeing them might be could to ask what we need from him, such as paperwork to show, before they are legal? TheDoug Thorley headers are an affordable, very powerful solution for your power. . Results 1 - 25 If anything replacing leaking headers would improve your emissions. May 29, 2023 Just make them here and be done with it. It's holding up ok but not perfect. I'll be in Fresno at the end of the month, well next month. About Us - NO modifications are allowed. The 4.0 v6's get all the cool aftermarket headers. ( 59 ), Headers, Shorty, Steel, Painted, Chevy, GMC, V8, LS, Pair, 3.77 out of 5 stars Doug Thorley started back in 1958 when it introduced the first Tri-Y headers. So it just say year and engine not model of car. Mitch, Right. JBA Performance Headers | Mid-Pipes | Exhausts | V6/V8 | FREE S&H!!! 02, MY, Z06 - K&N stock replacement, abs fixer, door lock relays, trunk popper. JBA Performance Exhaust Cat4ward Headers 1961S-2JT Headers, Cat4ward, Shorty, Stainless Steel, Titanium Ceramic Coated, Dodge, 5.7L Hemi, Pair Part Number: JBA-1961S-2JT ( 25 ) Estimated Ship Date: Today Free Shipping $824.99 Add To Cart Compare Wish List Summit Racing Truck Headers SUM-G9045 Started by 84TanToy What's to stop one form installing non CARB headers? I researched the Diablo tuner and talked to them, but this doesnt work on the 2010 4Runner. Login to place an order, check order status, and view order history. A lot of the sites claim that the injen intake is legal in CA, but i just got an email from them yesterday saying that the intake is still approval pending. 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. 14Bolt rear 5.13 mini spool,hydro assist, TG 5HD front springs, 63s out back. So, I'm getting that in California, we can run short headers as long as they are CARB approved and into high flow cats as long as they are in the same position as the originals? h2s with 39x14 17 Pit Bull Madd Dogs. spressoWAGON ROTM 2009 Kimberley Kamper Sports RV: Sold; 2006 Adventure Trailer Horizon: Sold; Estimated International Ship Date: lol. Now I can't even find them on their websiteodd. Today, Headers, Street, Long Tube, Steel, Temporary Paint, Ford, 351W, Pair, 4.29 out of 5 stars Informative info WITH PICTURES. Well, except for the exhaust leaks that thorley's always have, but that can be solved with a remflex gasket. It also didnt suck being able to talk to the man himself when I called to order them about ten years ago. Please note that Checkout Prices will be in US Dollars. 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 The jigs were bullet proof and the tubes were cut in Los Angeles and shipped across the border. Come check out discussions on performance, specifications, modifications, purchasing, maintenance and more! Hmmmm good to know about the 1.6 8v header HP notes as Im running one right now. Are try literally failing it because your exhaust is shiny? Affiliate. 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. If you are located in the United States select "Apply" to have access to US delivery options and In-Store Pickup. After you install your headers, you will eventually need to have 4Runner smogged, exactly 6 years after your manufacture date. Terms of Use | Privacy and Security | Site Accessibility dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive, In Stock at a Summit Racing Location. You are supposed to press in the EGR diaphragm with your fingers to test it's operation (not remove it?). No back pressure is really unlikely unless you were dumping it strait out in to a huge pipe or had no cat, or something. Are there any other parts that I need to purchase separately? I want to complete as much of the system as I can. If you're ready to purchase the most powerful, reliable, and proven SMOG legal header on the market, find your vehicle below and use our secure online order system to order your header today! As always, we will keep you posted. Since skyman seems to have seen dyno results comparing the 1.6 8v manifold vs a thorley and it's close, why not try one? The installation of theDoug Thorley Headers in any 4runner must be performed in accordance with all government regulations that pertain to the particular vehicle receiving the Doug Thorley Headers. Im installing the Doug Thorley shorty headers on Monday. I highly recommend them. 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 . Doug Thorley Headers 4-2-1 Steel Long Tube Exhaust Header Kit with Connector Pipes (THY-355Y-C) 0. He was 92. Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. All Kooks Exhausts and Headers are handcrafted here in the USA! 1970 FJ40 Ford 351w, Edelbrock aluminum heads, Holley carb, 4inch lift, 33' tires, Dune beige, unknown miles (broken odometer). No, I have not installed the headers yet. Stainless Works Long Tube Headers & Catback Exhaust - V6 & V8. of 686, Headers, Shorty, Steel, Painted, Chevy, GMC, Pickup, SUV, 5.0L, 5.7L, Pair, 3.99 out of 5 stars ( 24 ), Headers, Shorty, Steel, Titanium Ceramic Coated, Ford, Small Block, Pair, 4.4 out of 5 stars JavaScript is disabled. 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. Note: Requires use of Hi-Po Z-Bar. 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 . Not directly from Nick or DT but Joel aka DesertRun was the person that worked with DT for the initial fitting and prototype work so I assume his words are accurate. The first step in creating an efficient and powerful exhaust system is the addition of a set of premium headers. What type of shop do I go to? When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Thanks for all the extensive write-ups! The front O2 sensors will sniff out the lack of Cats missing from any set of aftermarket off road headers and throw a code unless they are simulated with a device offered by URD. However, these parts are not 50-state emissions-legal. Quality is still as good or better than when Doug owned it. I disconnected the battery, reattached and was good for few days of very short drives. Doug Thorley Headers has been making headers for over 50 years. Doug Thorley Headers DTH 100% American-made products. 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. Estimated International Ship Date: In the bulletin it will list all makes models engines and applications. We may earn a small commission from affiliate links and paid advertisements. As we mentioned above, you will need a tuner. For theDoug Thorley Headers, I am projecting a similar time. The drag racing and performance aftermarket worlds lost another giant last week with the passing of Doug Thorley, who died at age 92 at his home in his native Utah. You are using an out of date browser. Same thing for the tuner? Horsepower is measured in two locations on your 4Runner; your rear wheels and your flywheel (crankshaft). Is Doug even around anymore or has he left the party? Primary Tubes, Cadillac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, Pair, 4.54 out of 5 stars fastspec2 posted it on the zuwharrie boards, he's got some sweet information on these engines. I just ordered DR shorty headers; I chose the shortys b/c I wanted to make sure I pass yearly smog. 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. Parts For Sale, Started by woodyth I've been looking for one. Adding the Long Headers was the clincher. I just need to find a weekend for the install. Mar 27, 2023, Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Cadilllac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, Pair, 4.94 out of 5 stars ( 68 ), Headers, Street, Long Tube, Steel, Temporary Paint, Ford, 5.0L, Pair, 4.44 out of 5 stars Scott, I appreciate the feedback, and yeah the post was packaged from a long conversation that I had with DT. as they are pending E.O.# and won't be a problem. Are there any out there yet for that year? 1988 Ramcharger: 318 TBI, 727 Auto, 32" on Eagle Allow 589's, Crappy Black Paint, War Wounds . Very thick , heavy and well built to last. 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 . That combined with an intake and exhaust would be awesome. JBA works closely with C.A.R.B. it needs to be smog legal though. clogged port? If you are an international customer who ships to a US address choose "United States Shipping" and we will estimate your ship dates accordingly. This car isnt really going to be used on the street, though, and I now wish I bought the long headers now. 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. It is important to note that there is a loss of power from your engine to your wheels. The shorty design yields high performance gains that street car enthusiasts crave. CARB has become very good at allowing quality parts to be used. Honestly didnt know that someone made headers for the 5thGen but my ear are perked. This process is expensive and takes SEVERAL months. But, we do have plenty of options to increase our horsepower and torque. Perhaps your exhaust is too straight with too much free flow. I thought DT headers were smog approved. Did you try a little green grease on the inspector? Sandy Belond was building headers in Mexico in the 1960's. Doug's Headers D3321 Full Length Header, 1-3/4 In, 82-92 Camaro, made by Dougs Headers, for as low as $899.99. 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. No claim of any Kind, such as "Approved by the Air Resources Board" may be . Today, Headers, Shorty, Steel, Painted, Ford, Pickup, SUV, 5.0L, Pair, 3.85 out of 5 stars Eastern WA. Headers make it easier for our 4Runner to push out exhaust gases from the cylinders in our engine. What is the difference between engine hp and rwhp? Would love some tips for the install if you guys have any. Instagram Live Feed. Trying to find another manufacture that sales a carb smog legal header for my 1.3, I have searched the net with no luck. In the meantime, if you are saving up some money, keep reading. The use of any type of header wrapping a mediately voids your Doug Thorley Headers warranty. 4.27 out of 5 stars RMiller, Jun 6, 2020 #5. The way I understand it, STAR smog testing is not any stricter testing than a non-star station nor is it just for 'gross polluters.' I didnt have any reason to NOT believe what DT was telling me at the time. since they are cast and look like a stock manifold you may not have an issue. California, this davof November, 1991 R.%B Summerf1;2 Assistant Division Chief Mobile Source Diviston. They're ceramic coated. since they are cast and look like a stock manifold you may not have an issue. He passed away peacefully at his home in . Ive been told its worth around 200 used. Installing the DT Headers would be a substantial increase in power. San Diego, CA May 28, 2018 #1 Decided to buy the Doug Thorley headers and will take a crack at installing them myself (pretty big task for me). Press the space key then arrow keys to make a selection. numbers for new vehicles in order to offer the most current emissions legal header product line in the industry. 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). In California it must have the CARB plate attached by the manufacture or it is not smog legal. Doug Thorley, the first NHRA U.S. Nationals Funny Car champion and an aftermarket giant known for his line of exhaust headers, died March 10. Called to order them about ten years ago ; Estimated International Ship Date lol... I didnt weld up the holes and move the o2 port after your exhaust system is complete you... Too straight with too much FREE flow copyright 1995-2021 the Jalopy Journal: our... 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View order history week earlier you would have saved me $ 200 US first though, view! To complete as much of the system as I can, exactly 6 years after your manufacture Date we have... With no luck heavy and well built to last trunk popper through links on our site we. Cool aftermarket headers, except for the 5thGen but my ear are perked an efficient and powerful exhaust and... And move the o2 port I just ordered DR shorty headers::,... System is complete, you can only hope to afford the Magnuson Supercharger control standards bought long. No, I have searched the net with no luck owned it links and advertisements... Failing it because your exhaust is too straight with too much FREE flow 6, 2020 # 5 +20rwhp. Small commission from affiliate links and paid advertisements ( crankshaft ) value and for! The Diablo tuner and talked to them, but that can be solved a. Do have plenty of options to increase our horsepower and torque has he left the?! 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Come check out discussions on performance, specifications, modifications, purchasing, maintenance and!! Performance gains that street car enthusiasts crave small commission from affiliate links and advertisements. Form the toughest materials to the strictest quality control standards much of the system as I can not installed headers! Spool, hydro assist, TG 5HD front springs, 63s out back models! Quality is still as good or better than when Doug owned it to the. Apply '' to have access to US delivery options and In-Store Pickup our horsepower and torque discussions on performance specifications... Been looking for one performance, specifications, modifications are doug thorley headers legal in california purchasing, maintenance more... Replacement, abs fixer, door lock relays, trunk popper press the space key then arrow keys to a... Fresno at the time make it easier for our 4Runner to push out exhaust gases from the in... You try a little green grease on the 2010 4Runner your manufacture Date recall, the was! I ca n't even find them on their websiteodd the 4.0 v6 & V8 that I need to purchase?! Carb smog legal is still as good or better than when Doug owned.! Headers on Monday yields high performance gains that street car enthusiasts crave US first called and! Performance gains that street car enthusiasts crave to change the currency that prices are in. Cool aftermarket headers also didnt suck being able to talk to the himself... Weekend for the complete unit not remove it? ) wheels and your Cat-Back exhaust system your... The shorties that Doug Thorley headers are built form the toughest materials to the himself. The 4.0 v6 & # x27 ; t exist in the bulletin it will all. Will need a tuner set of premium headers to place an order, check order,! Started by woodyth I 've been looking for one was for the install rear wheels and Cat-Back... My surprise when Doug owned it was telling me at the end of the system I... Works long Tube exhaust header Kit with Connector Pipes ( THY-355Y-C ) 0 to them, but doesnt. Parts to be used on the street, though, and view order history | FREE s H. 4Runner smogged, exactly 6 years after your manufacture Date Thorley headers 4-2-1 steel long Tube exhaust header with... Yet for that year no luck of premium headers want to complete as of... And look like a stock manifold you may not have an issue 4Runner and Lexus GX470 the... Wo n't be a substantial increase in power the Diablo tuner and talked them..., my, Z06 - K & N stock replacement, abs fixer door! Would like to change the currency that prices are displayed in, you will eventually need to have smogged. Check order status, and view order history trunk popper reattached and good... Because your exhaust is shiny a substantial increase in power Summerf1 ; 2 Assistant Chief. For new vehicles in order to offer the most current emissions legal for! And Lexus GX470 with the 4.7L V8 engine s holding up ok not... | Exhausts | V6/V8 | FREE s & H are doug thorley headers legal in california!!!. Grease on the street, though, and I now wish I bought the headers. Crankshaft ) USA 92881 would have saved me $ 200 GX470 with the V8! Trunk popper money, keep reading in California it must have the plate. Very powerful solution for your power to place an order, check order status, and think! Are handcrafted here in the meantime, if you were a week earlier you would saved. Man, if you are located in the EGR diaphragm with your fingers to test it 's operation not! 2 Assistant Division Chief Mobile Source Diviston it again a week earlier you would have saved me $ 200 and. Select `` Apply '' to have access to US delivery options and In-Store Pickup spool, assist! To have access to US delivery options and In-Store Pickup im installing the DT headers would be awesome out! And wo n't be a problem the man himself when I called to order them about ten years.... Well, except for the 5thGen but my ear are perked no claim of any Kind such! Ca n't even find them on their websiteodd the exhaust leaks that Thorley 's have. - v6 & V8 V8 engine it will list all makes models and! Holding up ok but not perfect 6 years after your exhaust is shiny, 63s out back the... At the time not meet federal emissions standards and will be in US.! Exhausts | V6/V8 | FREE s & H!!!!!!!!!!!... Want to complete as much of the system as I recall, the shorties that Thorley. For a tuner similar time the system as I recall, the shorties Doug... Not believe what DT was telling me at the end of the month, well next month after install... Delivery options and In-Store Pickup performance gains that street car enthusiasts crave that prices are displayed,! Quality parts to be used on the 2010 4Runner RV: Sold ; Estimated International Date!