I went full straight pipe. Did you check for any flashing on the weld or obstructions in the little EGR pipe? Installing the DT Headers would be a substantial increase in power. No, I have not installed the headers yet. 1970 FJ40 Ford 351w, Edelbrock aluminum heads, Holley carb, 4inch lift, 33' tires, Dune beige, unknown miles (broken odometer). Commonly-recommended brands are Doug Thorley, Pacesetter, and Dorman. . I thought DT headers. Same machinery, same fixtures, same bosses, same steel from USA, the workers are just at home now instead of up here. Come check out discussions on performance, specifications, modifications, purchasing, maintenance and more! All of these systems working together are sure to generate some serious power. If not, anyone have any knowledge on when they might be created? BENEFITS OF DOUG THORLEY HEADERS, INC.*'S EXMAUST HEADER PART NOS. There is little to no room to work with your 5th Gen engine, so you need to man up for this install. 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. that being said for grand total of one more horsepower, and a ton of cash you can get a thorley header which is smog legal in California. You must log in or register to reply here. Horsepower is measured in two locations on your 4Runner; your rear wheels and your flywheel (crankshaft). Craig Selvey Indiana State Rep - MCCI. -Craig Hospital Spinal Cord Unit. Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. man, if you were a week earlier you would have saved me $200. I dont know about the numbers on the stock headers but I can say by "feel" they are not the same. Ever have any issues with smog test? Location: Ottawa, Ontario . No smog checks there and everything's legal. Why does Diablo Sport not even mention the Toyota on their site? Which "Doug" is the better Doug? There are a few other options for tuners out there, but Diablo is supposed to be the best. 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. 4-Point mounting with welded diagonal cross brace and shoulder harness bar. Let's face it, you are not going to get pulled over in your 4Runner for it "sounding different". . He was 92. Then block off the O2 port and move it downstream to the normal RE location. Mobiledreams likes this. 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. Usually a manufacturer will wait until they have several header models to be approved before they will run them thru CARB because of the cost. 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. I thought DT headers were smog approved. $1,039.00. After you install your headers, you will eventually need to have 4Runner smogged, exactly 6 years after your manufacture date. 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. In the bulletin it will list all makes models engines and applications. I want to get Doug Thorley Tri-Y Headers for my 02 excursion but its not listed on there site. JBA understands the importance of blending performance with today's mandatory emissions regulations. If the cost of finished goods did not go down,then why move in the first place? Title: Executive Order D-200-10 Doug Thorley Headers, Inc. I disconnected the battery, reattached and was good for few days of very short drives. Cookie Policy - He passed away peacefully at his home in . Brenan is the founder of Trail4R.com, Toyota guy through and through, verified nature lover, lightweight photographer, exploration enthusiast, and certified serial blogger. Will these long tube headers work on a 2021 model? ( 100 ), Headers, Cat4ward, Shorty, Stainless Steel, Titanium Ceramic Coated, Dodge, 5.7L Hemi, Pair, 4.28 out of 5 stars it may be a post down the line a bit, theres a lot of back and forth in his threads, because everyone wants to know what h';s doing, and he doesn't mind sharing. Estimated International 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. They pack a serious punch where your current exhaust system is lacking. It may not display this or other websites correctly. Watch on Doug Thorley Headers Impala and Mustang Watch on 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 Classifieds - Engine/Transmission/Transfer Case, BJ42 | FJ43 | BJ44 | FJ45 | FJ45LV | HJ47, North American Clubhouses - Central Region, CA.AB- Rocky Mountain Land Cruiser Association, CO/WY- Horsetooth 4 Wheelers Cruiser Club, TX- Lone Star Land Cruisers - Austin Chapter, TX- The White Trash of the Elwood Chapter, CA.BC- Okanagan-Similkameen Land Cruisers, NV- Battle Born Cruisers of Northern Nevada, Vendors: Accessories - Electronics - Recovery, https://forum.ih8mud.com/showpost.php?p=5845687&postcount=519, https://forum.ih8mud.com/showpost.php?p=8243419&postcount=3. Only time I ever failed smog was due to a bad CAT. All headers also come with a nickel-chrome finish. Copyright 2023 by AUTOSALES, INCORPORATED 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. Will it create more power? You can also install a Pedal Commander which alters your throttle lag time. Since the 'upgrade', it averages around 15 MPG . No back pressure is really unlikely unless you were dumping it strait out in to a huge pipe or had no cat, or something. Estimated International Ship Date: This is crazy. I am waiting until after I smog now, which is coming up this year at some point. 4.27 out of 5 stars These products have been approved and will be marked with an Emission Code 1 throughout our product pages. PM me if interested. Thinking about installing them myself, just waiting to hear about your experience with them Thanks Cali. It is awsome! Didn't really like the Doug thorley as it does not produce enough back pressure for the egr to function correctly. As always, we will keep you posted. 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). So, it is important to get a tuner after your install yourDT Headers. This complete header kit makes huge increases in power output of your V8 powered Pontiac. Report Post Thanks(0) . Monday 3/6/2023 http://www.dougthorleyheaders.com/2013-14-toyota-fj-cruiser13-17-4runner-4.0l-long-tube-headers_15781. Estimated International Ship Date: D660YA Doug's Headers D660YA 1 5/8" Tri-Y Header Ford Falcon Small Block Ford 60-65 Metallic Ceramic Coating. Doug Thorley (1 . Doug's Headers, also known as Doug Thorley Headers, became a leading producer of high-performance exhaust systems for hot rods and other types of muscle cars. Note: Requires use of Hi-Po Z-Bar. That is what they told me when i called this morning. Eastern WA. Would like to trade for a california 22re header pref tri-y w/o air injection. ( 24 ), Headers, Shorty, Steel, Titanium Ceramic Coated, Ford, Small Block, Pair, 4.4 out of 5 stars Doug Thorley Long Tube Tri-Y Headers 4.7L Stainless Steel Toyota 4Runner | Lexus GX470 2005-2009. I think it was an original Calmini design. Honestly didnt know that someone made headers for the 5thGen but my ear are perked. to obtain Executive Orders (EO numbers) that certify the Cat4Ward Shorty Headers to be emissions legal in all 50 states. Thinking I need that catback and header really want to S/C but the expense is just not in the budget right now. Well, except for the exhaust leaks that thorley's always have, but that can be solved with a remflex gasket. After your exhaust system and your Cat-Back exhaust system is complete, you can only hope to afford the Magnuson Supercharger. If you are an international customer who ships to a US address choose "United States Shipping" and we will estimate your ship dates accordingly. I have mine on order and asked about that also and he said all is o.k. Kooks offers some of the highest quality headers and exhausts available here at LMPerformance.com (along with Billy Boat . Now I can't even find them on their websiteodd. Doug Thorley was an American Funny Car drag racer, hot rodder [1] and businessman. So it just say year and engine not model of car. Doug Thorley shorties carry a CA CARB. 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. WOW. Trying to find another manufacture that sales a carb smog legal header for my 1.3, I have searched the net with no luck. 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. That the installation of Thorley Headers manufactured by Summit Industries, Inc. of 1220 Railroad Street, Corona, California 92882, has been . Ok, hunting me down a 1.6 8v header, any special years I can use? 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. So if you are looking for a non smog legal RE header, just make your current 22r header into one. California, this davof November, 1991 R.%B Summerf1;2 Assistant Division Chief Mobile Source Diviston. This is not noted in their info at the current time but I am letting them know. These are the shorty tubes. Mar 13, 2023 Unless I could get some new heat shields and make it look stock. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. It is important to note that there is a loss of power from your engine to your wheels. 02, MY, Z06 - K&N stock replacement, abs fixer, door lock relays, trunk popper. Great welds. Doug Thorley Headers. Smog stations apply for this certification and it means they meet the smog testing requirements with a certain level of accuracy. If you are eliminating Cats, you need simulators. thus why i didnt weld up the holes and move the o2 port. If/when I dive into major engine mods, would just register my truck at my parents house in AZ. Exhaust Headers For Chevy GMC Avalanche Silverado Sierra Tahoe 1500 1999-06 4.8L 5.3L V8. I thought about that. After talking with Doug Thorley, they recommended the Diablo Tuner. I wasnt able to find them for 2017 on DT site. We have a 20144R, so we will not need to have our 4R smogged until 2020. And do you have a link? Vendor specials, free gear, giveaway notifications, group buys and more! They are not as good of quality and are NOT STREET LEGAL. They're ceramic coated. For my 93 pickup I've had to do both star testing and regular smog. Estimated International Ship Date: However, these parts are not 50-state emissions-legal. Performance expectations? Or, Engine HP vs Wheel HP. JBA Cat4Ward Headers are ideal for your daily driver or your faithful pickup truck you use for hauling and towing. Doug Thorley Headers are CNC mandrel bent for precise fit and improved exhaust flow. ( 62 ), Estimated USA Ship Date: They also feature accurately formed long transition collectors to reduce backpressure and polished MCTB coating to resist corrosion and heat up to 1400 degrees. Add to Trip. The Pedal Commander has incredibly good reviews and can simulate some serious off the line performance. I'll probably be picking up a set of doug thorley's once their E.O. Thursday 3/2/2023 06-17-2010, 11:01 AM . However, Doug Thorley Headers cannot control the installation of this product on your 4Runner. Headers work by eliminating the manifolds back-pressure. Man these really got me thinking and might rearrange the build list now dang it. Started by 84TanToy Mar 20, 2023 I apologize, I had done a lot of research because the Toyota ECU is apparently locked down, actual options are limited for tuning and what even then, what is available and what they can actually do for us even is limited even more so. For the customer, the test will be faster and cheaper by $15-25. Where do you get this info???? Hopefully, by the time the 6th Gen 4R is around, we will have the 5th Gen covered in detail. Perhaps your exhaust is too straight with too much free flow. You can order this part by Contacting Us. SHARE POST #15. 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 ones for the f250 will fit. As far as legality issues in CA Ive never needed a sticker or tag. If theseCatalyticConverters are removed and not tuned, your ECU will try to fix something on its own and overcompensate here and there for airflow and oxygen. Time to install the drag setup on the runner, well see who gets to the top of the trail first! Street to Severe-Duty. Filter my search results to see Summit Racing brand parts. Do Not Sell or Share My Personal Information -, By logging into your account, you agree to our. If it passes smog, who would know? I will reach out to DT or you can and see what they say. Since 1962, Kooks has had the reputation of making the high quality & good performing Custom Stainless Steel headers and exhaust systems.