Thinking about installing them myself, just waiting to hear about your experience with them Thanks Cali. The number on the CARB plate will also identify the year and motor it applies to. The supercharger obviously takes the cake in terms of performance. Craig Selvey, Jun 5, 2020 #2. . 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. I have one Doug Thorley Header for a 22r. Estimated International Ship Date: Can't complain about the CARB exempt on these being that I live in California though. Doug Thorley Headers is a Hotel in Corona. All headers also come with a nickel-chrome finish. RMiller, Jun 6, 2020 #5. But, we do have plenty of options to increase our horsepower and torque. Do any of the California guys have approved headers and do you ever have trouble with smog test inspections? ( 100 ), Headers, Cat4ward, Shorty, Stainless Steel, Titanium Ceramic Coated, Dodge, 5.7L Hemi, Pair, 4.28 out of 5 stars clogged port? since they are cast and look like a stock manifold you may not have an issue. Doug Thorley (1 . 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. 2.00" x .120" ERW is used when car weighs over 3500 pounds. 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). 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. Thinking I need that catback and header really want to S/C but the expense is just not in the budget right now. ( 5 ), Headers, Cat4ward, Stainless Steel, Natural, Ford, Pickup, SUV, 5.8L, Pair, 3.8 out of 5 stars Horsepower is measured in two locations on your 4Runner; your rear wheels and your flywheel (crankshaft). Even with that I am not sure if it would throw a CEL. Yeah, I have them. ( 29 ), Headers, Cat4ward, Stainless Steel, Natural, 1-5/8 in. Primary Tubes, Cadillac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, Pair, 4.54 out of 5 stars Parts For Sale, Started by woodyth Ever have any issues with smog test? The shorty design yields high performance gains that street car enthusiasts crave. PM me if interested. 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. ( 10 ), Headers, Cat4ward, Stainless Steel, Natural, Ford, 6.8L V10, Kit, 5.0 out of 5 stars And as for the EGR valve I have never had it not work with many of the headers Ive tried. Do you recommend a DT U/Mid Pipe? Let me know what you want for it. Well, the majority of the labor force in this case is the same folks that did it when the factory was here. What's to stop one form installing non CARB headers? E.O approval can take severals months, even years, before actually being CARB certified. This is a custom order part. 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. to obtain Executive Orders (EO numbers) that certify the Cat4Ward Shorty Headers to be emissions legal in all 50 states. Estimated International Ship Date: Reply With Quote 12-09-2018, 12:06 PM #39: TCity. Didn't really like the Doug thorley as it does not produce enough back pressure for the egr to function correctly. Are there any other parts that I need to purchase separately? 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. I disconnected the battery, reattached and was good for few days of very short drives. Parts For Sale, Started by 87hillbillyoter 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. A competent inspection station will be looking for this CARB/EO number. These Long Tube Header designs are dyno and race proven to deliver the greatest possible increase in horsepower and torque throughout the RPM range. JavaScript is disabled. As always, we will keep you posted. LOVE my Magnaflow! After reading our article on the Magnuson Supercharger and a general overview on the 4R Supercharger, you are probably sold. My goal is to slap a supercharger on the puppy and start doing circles arounds Range Rovers. Estimated International Ship Date: Mar 13, 2023 Ill let you know how the Y-pipe and Unichip work out. > To the OP. I thought DT headers were smog approved. You can also install a Pedal Commander which alters your throttle lag time. Since it is a new product, dont count on it being fully street legal. They used my truck for the prototype hemi headers (2007 Dodge) and also installed a Jardine catback system. 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. I did all these installs on my Mustang. ( 20 ). My last header died after about 8 years of hard on and off use. 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. Stay Updated with Emails from Summit Racing. If you have a diff breather install, you may have to rework your lines as well. Never miss a sale on new parts, tools, and more! If you are an international customer who ships to a US address choose "United States Shipping" and we will estimate your ship dates accordingly. California is a strange place at times. Off Road; Lowering Kits; Electronics. 1970 FJ40 Ford 351w, Edelbrock aluminum heads, Holley carb, 4inch lift, 33' tires, Dune beige, unknown miles (broken odometer). Good to hear from everybody. thus why i didnt weld up the holes and move the o2 port. Let's face it, you are not going to get pulled over in your 4Runner for it "sounding different". It sounds too good to be true, but it's not. If it passes smog, who would know? Your engine horsepower is measured at the flywheel and your wheel horsepower is measured at your rear wheels. All Content Copyright 1994-2023 Marlin Crawler, Inc. http://dougthorleyheaders.com/products/sfID1/9/sfID2/35/sfID3/39/productID/939, http://board.marlincrawler.com/index.php?topic=35701.0, http://board.marlincrawler.com/index.php?topic=75111.0, https://www.facebook.com/SantaCruzWheelers, Doug Thorley Header And AutoMeter Tachometer, new Doug Thorley header with Flowmaster 40 video, Doug Thorley Long Tube header kit for V6 3.0 - SOLD. Estimated International Ship Date: of 686, Headers, Shorty, Steel, Painted, Chevy, GMC, Pickup, SUV, 5.0L, 5.7L, Pair, 3.99 out of 5 stars 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. Since the 'upgrade', it averages around 15 MPG . Thank you all for your feedback. 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. 1220 Railroad St, Corona, California 92882 USA. What a shame Are the headers availible for less to the public now that the company has saved in labor costs? They will use the existing OBDII to test the emissions. The Doug Thorley Headers are not street legal in California. approval comes in. What tuner are yall talking about. h2s with 39x14 17 Pit Bull Madd Dogs. I hate to say it but Id go over it again. Today. $5 Off Your $100 Mobile App Purchase - Get the App. Production time is 3-4 weeks (plus shipping). Mitch, Right. I emailed them but never got a response. He was 92. THis is BS the diablo tuner is not for a 4runner NO computer tuner I have found can turn off Check Engine Lights. I am in a bind I am hoping to get some help with. What did I (or you) miss since posting this? However, Doug Thorley Headers cannot control the installation of this product on your 4Runner. Right now, I have a Borla catback and an aFe Y pipe on the 2010 4Runner. Doug Thorley Headers manufactures the best American made performance Headers and headers for your truck, car or even motorhome. ( 17 ), Headers, Shorty, Steel, Ceramic Coated, Chevy, GMC, Pickup, SUV, 4.8, 5.3L, V8, Pair, 4.0 out of 5 stars And the majority of their pay check, was sent to relatives down there anyway. Subscribednew CA resident here. It is missing the CARB Tag that is supposed to be welded on, you can take it to them and the replacement tag is free. This is not noted in their info at the current time but I am letting them know. Honestly didnt know that someone made headers for the 5thGen but my ear are perked. Because they're setup for the streets, Thorley Headers also feature the hardware and custom flanging to be 50-state smog legal (some shortie applications). He passed away peacefully at his home in . 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! Cookie Policy - $1,054.60. Doug Thorley Headers. Closed Now. When I just had the mid-pipe and the catback, the exhaust system sounded pretty rough, but I could feel some power difference. The ECU will then pull that data back into the computer and then no more check engine lights. After talking with Doug Thorley, they recommended the Diablo Tuner. For a better experience, please enable JavaScript in your browser before proceeding. This is why I love this site. I paid $250 for a new one, so I wouldn't want to pay more than $120 for a used one. I went full straight pipe. 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 You can see they're black here. Aftermarket headers are the best choice by far, for many reasons. . Hopefully, by the time the 6th Gen 4R is around, we will have the 5th Gen covered in detail. I'll be in Fresno at the end of the month, well next month. Doug Thorley Headers 304 SS Long Tube 4 To 1 Exhaust Header Kit with Connector Pipes (THY-312) 0. The 16v manifold is completely different from the 8v manifold. Filter my search results to see Summit Racing brand parts. International Customer Options|In the United States? You are browsing camaro5 Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5.com > Engine | Drivetrain | Powertrain . Unfortunately, long tube aftermarket headers for the 5VZFE 3.4 v6 are a "unicorn" part. I will reach out to DT or you can and see what they say. 83 short bed yota 35's 5.29's 4.7 f-150's arb front aussie locker rear high steer ifs rear axle. Features : Outlet Size: 2.5,Primary Tube Size: 1.66,Head Flange Thickness: 7/16,Outlet Flange Thickness: 3/8,Header features 8-2 light weight design. ( 41 ), Estimated USA Ship Date: Description Doug Thorley Headers will fit the 2005-2009 Toyota 4Runner and Lexus GX470 with the 4.7L V8 engine. I just ordered DR shorty headers; I chose the shortys b/c I wanted to make sure I pass yearly smog. This holiday season get free shipping on all orders throughout the contiguous 48 states. Then, we might start looking at a Cat-Backexhaust system. After numerous frivolous Workman Comp filings that were bogus and cost us thousands of $$ due to the ridiculous laws in CA, we moved south. I'm in Visalia. Doug Thorley Long Tube Tri-Y Headers 4.7L Stainless Steel Toyota 4Runner | Lexus GX470 2005-2009. You can only smell fear if the fearfull have loose bowels. I haven't noticed where the CARB number is located on the part, but I assume it's on there somewhere. Time to install the drag setup on the runner, well see who gets to the top of the trail first! ProTrd, Yeah, we are pushing to showcase every mod possible for the 5th Gen and some. But this STAR smog program potentially puts my LC in jeopardy too. A girls butthole is just like a 9 volt battery. I wasnt able to find them for 2017 on DT site. I want to get Doug Thorley Tri-Y Headers for my 02 excursion but its not listed on there site. Doug Thorley Shorty Headers :: +20rwhp, +35rwtq! Bare stainless finish. Correction: Diablo only makes tuners for models up to 2009. Thursday 3/2/2023 This install took around 8 hours. Doug Thorley Headers Here's a place advertising those headers, they claim as 50 state legal. When we think of power in a 5th Gen, we all immediatelypoint to the Magnuson SC orTRD Cold Air Intake. pm me if you want to sell. What is the difference between engine hp and rwhp? spressoWAGON ROTM 2009 Kimberley Kamper Sports RV: Sold; 2006 Adventure Trailer Horizon: Sold; Tire Pump, Truck/SUV Tire Inflator, For Up to 35" Tires, Switch Pros SP-9100 8-Switch Panel Power System With Concealed Mounting Hardware, Energy Suspension- 9.4101G UNIVERSAL MOUNT, Pro Comp 65660K 2.75" Front 1.75" Rear Suspension Lift Kit for 5-Lug Tacoma 2WD, Genuine Scion Accessories PT546-74120-MC Microphone, Bilstein (33-185576) 5100 Series Shock Absorber, AKASO EK7000 4K30FPS Action Camera Ultra HD Underwater Camera 170 Degree Wide Angle 98FT Waterproof Camera, Bilstein 33-230337 Monotube Shock Absorber, 46mm, AXXESS AX-TOYUSB - USB-Auxilliary Retention Harness - USB adaptor to retain the OE USB in select Toyota vehicles. Street to Severe-Duty. Today, Headers, Shorty, Steel, Painted, Ford, Pickup, SUV, 5.8L, Pair, 4.03 out of 5 stars Ten minutes after the install the Check engine, VSC Trac and VSC Off lights came on. They are not as good of quality and are NOT STREET LEGAL. No claim of any Kind, such as "Approved by the Air Resources Board" may be . No smog checks there and everything's legal. Bad weld or slag in the way? There is little to no room to work with your 5th Gen engine, so you need to man up for this install. That is who DT initially recommended for a tuner. ( 16 ), Estimated USA Ship Date: They will tune and adjust your tuner to the specs of your 4Runner depending on what aftermarket parts you are running (Cat-Back, Intake, Etc.). I went with Vivid Racings ECU reflash (fuel to air, etc.). Call 800.979.0122, 7am-10pm, everyday. 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. Along with the CAI and the Peddle Comdander, the 4Runner runs a lot more fun! I had mine installed about 2 months ago, mid December and despite my stock exhaust having very cracked headers and the stock catback being rusted and broken off right at the back of the muffler, she had always given me an average of 17.5 MPG, give or take half an MPG in either direction. Updated above. 2" tubing is just NOT needed with a stockish 1.3L motor. Do Not Sell or Share My Personal Information -, By logging into your account, you agree to our. 4 17168-50090 heat shield left $51.20 $38.40. 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. Eastern WA. Instagram Live Feed. Thanks for all the extensive write-ups! Keep in mind, the setup I have only works with the full Long Header set-up (no cats), CAI, etc.