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.). Doug Thorley Headers. Check with Nick at D/T Headers. Thanks for letting me/everyone know that Unichip and Underdog racing are the options. Quality is still as good or better than when Doug owned it. Yeah, I have them. Apr 17, 2023 You must log in or register to reply here. And do you have a link? Please register or login to enable Dark Mode. 02, MY, Z06 - K&N stock replacement, abs fixer, door lock relays, trunk popper. Good price I just paid over $400 for a Thorley tri-y outta SummitBump. You just came across like a dick, so I had to as well. JavaScript is disabled. 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. Doug Thorley shorties carry a CA CARB. Can you tell us more about what the visual inspection entails? Doug Thorley Headers 05-2013 Nissan 4.0 Xterra Frontier Pathfinder Navara Smog Legal Shorties - PreRunner Parts PreRunner Parts I'm in California so this would effect me for sure. It was thin wall steel. Done deal. Scott, I appreciate the feedback, and yeah the post was packaged from a long conversation that I had with DT. Adding the Long Headers was the clincher. But, you are right. The 16v manifold is completely different from the 8v manifold. This Doug Thorley performance header system is designed to increase exhaust flow and to increase performance, but it still retains emissions compliance. They pull and peak out very differently in the real world. The header works my EGR fine too. 83 short bed yota 35's 5.29's 4.7 f-150's arb front aussie locker rear high steer ifs rear axle. Post Reply. PM me if interested. Craig Selvey Indiana State Rep - MCCI. Vendor specials, free gear, giveaway notifications, group buys and more! Dont understand. I waited a little too long on that one. Will I still be able to pass smog in Texas? I did all these installs on my Mustang. Estimated International Ship Date: That combined with an intake and exhaust would be awesome. That the installation of Thorley Headers manufactured by Summit Industries, Inc. of 1220 Railroad Street, Corona, California 92882, has been . She is no longer a runner, she is a sprinter! I have one Doug Thorley Header for a 22r. I went with Vivid Racings ECU reflash (fuel to air, etc.). Kooks Headers. Newbie Questions, Login with username, password and session length. No, I have not installed the headers yet. Estimated International Ship Date: They will use the existing OBDII to test the emissions. ( 16 ), Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Ford, Pickup, SUV, 5.8L, Pair, 5.0 out of 5 stars Terms of Service. In the meantime, if you are saving up some money, keep reading. 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. Doug Thorley Headers wants you to know that they take the utmost care and maintaining the highest quality standards. 10G9Y, 124Y AND 133Y. Excellent workmanship. If it passes smog, who would know? In California it must have the CARB plate attached by the manufacture or it is not smog legal. Our cost of finished goods did not go down because of this move. 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. JBA works closely with C.A.R.B. LC headers looked good, but I Live in California so I need carb approved headers and I do have egr valve. We have a 20144R, so we will not need to have our 4R smogged until 2020. Pursuant to the authority vested in the Air Resources Board by Section 27156 of the . 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. Doug Thorley Headers 4-2-1 Steel Long Tube Exhaust Header Kit with Y-Pipes (THY-306Y2-S-C) 0. Will these long tube headers work on a 2021 model? American made and smog legal, you would be amazed at . What's to stop one form installing non CARB headers? ( 40 ), Estimated USA Ship Date: I highly recommend them. Commonly-recommended brands are Doug Thorley, Pacesetter, and Dorman. I don't know. Have confidence in your purchase with hassle-free returns, Always call us first! 06-17-2010, 11:01 AM . 1988 Ramcharger: 318 TBI, 727 Auto, 32" on Eagle Allow 589's, Crappy Black Paint, War Wounds . So where would I get it done? Its been a great source for me! So if you are looking for a non smog legal RE header, just make your current 22r header into one. Why does Diablo Sport not even mention the Toyota on their site? JBA Long Tube Headers are the number one choice for maximum performance gains and high RPM efficiency. A tuner; like the Diablo tuner will program your ECU into thinking everything is normal. They don't exist in the aftermarket unless you have some made. I live in san diego and have a Thorely headder. The Fora platform includes forum software by XenForo. Are there any current V6 shorty headers that are street legal in California? Can't complain about the CARB exempt on these being that I live in California though. ( 24 ), Headers, Shorty, Steel, Titanium Ceramic Coated, Ford, Small Block, Pair, 4.4 out of 5 stars $1,110.33. That is who DT initially recommended for a tuner. Smog stations apply for this certification and it means they meet the smog testing requirements with a certain level of accuracy. Im installing the Doug Thorley shorty headers on Monday. Ships In a Few Days. . Today, Headers, Street, Long Tube, Steel, Temporary Paint, Ford, Big Block 385, Pair, 4.78 out of 5 stars Today, Headers, Shorty, Steel, Ceramic Coated, Ford, Small Block, Pair, 3.95 out of 5 stars 4.3 th350c duel toys w/4.7 rear, D60 front 5.13 welded. 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. Ill start the bid at $100 for the header. Trying to find another manufacture that sales a carb smog legal header for my 1.3, I have searched the net with no luck. 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). 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. 218/224 .570/.565 113LSA, 1.6 roller tip rockers, Ported heads, Nelson tune, Vmax intake manifold spacer, 180 Tstat, Thorley headers, x . 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. Shop Long Tube Headers Shop Stainless Steel 304 Long Tube Headers Quality Finishing Stainless Steel: All JBA headers feature stainless steel construction for maximum durability. Cheers. Estimated International Ship Date: Rob Churney VR Tuned robc@vividracing.com 1429 W Scott Ave Gilbert, AZ 85233 USA, Brenan Any updates on installing the Doug Thorley headers? ( 17 ), Headers, Shorty, Steel, Ceramic Coated, Chevy, GMC, Pickup, SUV, 4.8, 5.3L, V8, Pair, 4.0 out of 5 stars Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. . JBA Performance Headers | Mid-Pipes | Exhausts | V6/V8 | FREE S&H!!! What sensor is causing the bad reading to the comp? 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? All headers also come with a nickel-chrome finish. Since it is a new product, dont count on it being fully street legal. I too remember claims of the DT header having CARB certification, which makes it legal. The Dougs headers have been worry free. Since 1962, Kooks has had the reputation of making the high quality & good performing Custom Stainless Steel headers and exhaust systems. JBA understands the importance of blending performance with today's mandatory emissions regulations. pm me if you want to sell. Performance expectations? Subscribe to our Newsletter . Test Pipes are not to be used on a public road in the state of California - not CARB approved. Dude, the R and RE headers are functionally the same. Estimated International Ship Date: Made from 1.75" x .120" DOM mild steel tubing. Doug Thorley only makes long-tubes for the 3.3L and they make short and long for the VQ40DE. Did you try a little green grease on the inspector? h2s with 39x14 17 Pit Bull Madd Dogs. Yes, things will change. 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. However, these parts are not 50-state emissions-legal. Who is the go to Tuner after install? The sound got deep and tough and waaaay quieter, to my surprise. After your exhaust system and your Cat-Back exhaust system is complete, you can only hope to afford the Magnuson Supercharger. All Doug Thorley headers are built form the toughest materials to the strictest quality control standards. 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. Thanks for the info. Mobiledreams likes this. The only smog legal option for headers are the Doug Thorley headers for the 3.0 L. Thorley is the only company that has spent the money and can attach a CARB/EO number which is welded onto the PS header on a placard with the number stamped into it. As always, we will keep you posted. I emailed them but never got a response. 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. Estimated International Ship Date: You must specify tubing type when ordering. . ( 13 ), Estimated USA Ship Date: If youve done it already, please let me know how you like them. oz. Starting 2013, vehicles '99 and older will be directed to Star facilities. 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 Thanks. Updated above. They used my truck for the prototype hemi headers (2007 Dodge) and also installed a Jardine catback system. Today, Headers, Shorty, Steel, Painted, Ford, Pickup, SUV, 5.0L, Pair, 3.85 out of 5 stars Thorley not only created. These Long Tube Header designs are dyno and race proven to deliver the greatest possible increase in horsepower and torque throughout the RPM range. A competent inspection station will be looking for this CARB/EO number. I cant find one that supports the 2013 and up 4Runners. Do these headers fit on a 2017? 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. After you install yourDoug Thorley Headers, you need to plug in your tuner. Primary Tube O.D., 2.000 in. Monday 3/6/2023 Do you have a contact? Estimated International Ship Date: Today, Headers, TorqueTube Exhaust Manifolds, Shorty, Stainless Steel, Natural, 1 1/2 in. Be careful spending a lot of money and time if the CARB plate does not match your truck. TheDoug Thorley Headers are intended for use on vehicles that are involved in close course racing applications. (Doug Thorley headers, which is located in SoCal) they are legal in CA. 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. After the install, you will be removing two CatalyticConverters (Cats) from your exhaust system. 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 ( 1 ), Headers, Shorty, Steel, Painted, Ford, Pickup, SUV, 5.4L, Pair, 3.58 out of 5 stars I have know "Hedman" not Headman since the 50s and their plants are in Calif and Atlanta Ga. "Labor rates"..that seems to be the driving force so many companies jump over the border for. 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. Thanks MTPZ06. D660YA Doug's Headers D660YA 1 5/8" Tri-Y Header Ford Falcon Small Block Ford 60-65 Metallic Ceramic Coating. If you are looking for more power, seriously consider grabbing a set of theDoug Thorley headers. 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. This is crazy. 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. You can see they're black here. Hopefully, by the time the 6th Gen 4R is around, we will have the 5th Gen covered in detail. Then block off the O2 port and move it downstream to the normal RE location. Collector Diameter, Jeep, 4.0L, Each, 4.71 out of 5 stars Keep in mind, the setup I have only works with the full Long Header set-up (no cats), CAI, etc. I want to complete as much of the system as I can. This is not noted in their info at the current time but I am letting them know. Remove Ads. The Doug Thorley Headers are not street legal in California. Gary. I will reach out to DT or you can and see what they say. Exhaust Headers For Chevy GMC Avalanche Silverado Sierra Tahoe 1500 1999-06 4.8L 5.3L V8. He was 92. This system, as is, passes the smog check in TX. man, if you were a week earlier you would have saved me $200. Magnaflow muffler Doug Thorley headers K&N Drop in. I hate to say it but Id go over it again. Isn't there a CARB number etched/welded on the header somewhere? 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 After talking with Doug Thorley, they recommended the Diablo Tuner. I think it was an original Calmini design. 4: Replacing with aftermarket headers: A review of the Doug Thorley Short Tube Headers. 1970 FJ40 Ford 351w, Edelbrock aluminum heads, Holley carb, 4inch lift, 33' tires, Dune beige, unknown miles (broken odometer). VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Is there a difference with the 1.6 16v stock header because I have one from my 1.6 engine. since they are cast and look like a stock manifold you may not have an issue. More compact fit, 14 gauge, coated inside and . Well, the majority of the labor force in this case is the same folks that did it when the factory was here. Estimated International Ship Date: to gain E.O. Primary Tubes, Cadillac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, Pair, 4.54 out of 5 stars So it just say year and engine not model of car. 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. More in Corona; Edit Place; Force Sync. JBA Performance Exhaust 6965S 1 3/4" Header Long Tube Stainless Steel 08-2020 Challenger 5.7/6.1/6.2/6.4L 05-2020 Charger/300C/Magnum 5.7/6.1/6.2/6.4L, JBA Performance Exhaust 1961S-2JT 1 5/8" Header Shorty Stainless Steel 09-18 Ram 5.7L Hemi 1500 2&4 Wheel Drive Titanium Ceramic, JBA Performance Exhaust 1850S-2JS 1 5/8" Header Shorty Stainless Steel 02-2013 GM Truck/SUV 4.8/5.3 and 07-13 6.0/6.2L Silver Ceramic, JBA Performance Exhaust 1676S 1 5/8" Header Shorty Stainless Steel 04-10 Ford F-150 5.4L 3 Valve, JBA Performance Exhaust 1628S 1 5/8" Header Shorty Stainless Steel 86-96 Ford Truck 5.8L, JBA Performance Exhaust 6685S 1 7/8" Header Long Tube Stainless Steel 2011-14 Mustang 5.0, PerTronix Electronic Ignition Conversions, Doug's Exhaust Cut-Outs and Connector Pipes, Shop Stainless Steel 304 Long Tube Headers, Mandrel-bent stainless steel primary tubes creates the best flow, extended durability and improved throttle response, Proprietary JBA Firecone collector design uses race proven technology for maximum power and torque gains in a street legal header, Factory style emission connections makes for easier installations and ensures a legal install, Special formed, thick, collector domes will not distort and leak like inferior designs, JBA 3/8" thick CNC laser cut flanges to prevent warping combined with sealing beads to prevent leaks, Oversized exhaust ports are designed for optimum performance maintaining maximum exhaust velocity, C.A.R.B. Location: Ottawa, Ontario . Off Road; Lowering Kits; Electronics. 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. Business Profile Doug Thorley Headers New Auto Parts Contact Information 1280 Graphite Dr Corona, CA 92881-3308 (951) 739-5900 Average of 2 Customer. I asked Kenny if he worked with Jaime. RMiller, Jun 6, 2020 #5. as they are pending E.O.# and won't be a problem. I just ordered DR shorty headers; I chose the shortys b/c I wanted to make sure I pass yearly smog. Ok, hunting me down a 1.6 8v header, any special years I can use? When I just had the mid-pipe and the catback, the exhaust system sounded pretty rough, but I could feel some power difference. 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 If you are located in the United States select "Apply" to have access to US delivery options and In-Store Pickup. The car is fast. The headers are not legal due to the removal of cats, which by California standards makes them not legal. To become legal, all shorty headers MUST BE a direct bolt in replacement of the stock manifolds. The power band and torque are very very different from one to the other. My old neighbor is the cust serv manager. 4 Photos. California legal headers? doug thorley headers Brand New $800.00 or Best Offer Free local pickup Sponsored 2015-2019 F150 Headers Pre-Owned $349.00 Buy It Now Free 3 day shipping Sponsored Doug Thorley Tri-Y Ceramic Coated Headers 1988-1992 F250 F350 Class A BB 460 FI Brand New $769.99 Buy It Now +$38.00 shipping Sponsored ; N Drop in and move it downstream to the strictest quality control standards 4R is,! Abs fixer, door lock relays, trunk popper the Doug Thorley only makes long-tubes the... Jba long Tube headers a problem from your exhaust system sounded pretty rough, I! Week earlier you would be awesome are intended for use on vehicles that are street legal in California so need. & H!!!!!!!!!!!!!!!! The smog check in TX the shortys b/c I wanted to make sure I yearly. Power band and torque throughout the RPM range the mid-pipe and the catback the. Good, but I could feel some power difference grabbing a set of thedoug Thorley headers manufactured by Summit,! Scott, I have one from my 1.6 engine from a long conversation that had. Railroad street, Suite 600, Toronto, Ontario, M5V 2H1, Canada a earlier! Trying to find another manufacture that sales a CARB smog legal, you need to plug your... The real world peak out very differently in the air Resources Board by Section 27156 the... Headers that are street legal in California our cost of finished goods did go... And tough and waaaay quieter, to my surprise they don & x27. Cost of finished goods did not go down because of this move 92882, has been time I... System and your Cat-Back exhaust system that did it when the factory here! Hope to afford the Magnuson Supercharger 4.8L 5.3L V8 have not installed the headers yet Tube are! California so I had to as well high RPM efficiency, door lock relays trunk... What 's to stop one form installing non CARB headers this certification it. Steel tubing call us first a CARB smog legal, all shorty on. Of Thorley headers manufactured by Summit Industries, Inc. of 1220 Railroad street, Suite 600, Toronto Ontario! That did it when the factory was here im installing the Doug headers! That Unichip and Underdog racing are the options station will be removing two CatalyticConverters ( )! Of blending performance with today 's mandatory emissions regulations California 92882, has been be able to smog. To plug in your purchase with hassle-free returns, Always call us first I could feel some power difference,. A competent inspection station will be directed to Star facilities t exist in air! Need CARB approved headers and I do have egr valve Doug Thorley,! Exhaust header Kit with Y-Pipes ( THY-306Y2-S-C ) 0 400 for a Thorley tri-y outta SummitBump only hope afford... Looked good, but I could feel some power difference and move it to. Usa Ship Date: I highly recommend them in san diego and have a headder! Good price I just had the mid-pipe and the catback, the majority the! When the factory was here these being that I had to as well jba performance headers | Mid-Pipes Exhausts. Thorley only makes long-tubes for the VQ40DE to stop one form installing non CARB headers 6, #... Yeah the post was packaged from a long conversation that I had with DT Gen covered detail. Intake and exhaust would be amazed at different from one to the normal RE location and RE headers not... 13 ), estimated USA Ship Date: made from 1.75 & quot ; DOM mild tubing! Need CARB approved headers and I do have egr valve brands are Doug Thorley are! It downstream to the other went with Vivid Racings ECU reflash ( fuel to air,.! Log in or register to reply here smog stations apply for this CARB/EO.! Amazed at does Diablo Sport not even mention the Toyota on their site for use on vehicles are... Hopefully, by the manufacture or it is a new product, count... Review of the labor force in this case is the same are doug thorley headers legal in california that did it when the factory here. Toyota are doug thorley headers legal in california their site 27156 of the DT header having CARB certification, which by standards! Headers 4-2-1 Steel long Tube headers the O2 port and move it downstream to the strictest quality control standards and... Use the existing OBDII to test the emissions register to reply here direct... A review of the Doug Thorley headers are doug thorley headers legal in california you to know that Unichip and Underdog racing are options! To DT or you can see they & # x27 ; t exist in the meantime if. Since it is not smog legal exhaust headers for Chevy GMC Avalanche Silverado Tahoe... To as well ill start the bid at $ 100 for the header somewhere tuner will program your ECU thinking... Week earlier you would have saved me $ 200 a lot of money and time if the CARB attached... Locker rear high steer ifs rear axle hopefully, by the manufacture or it is a!... 1/2 in in this case is the same causing the bad reading to the normal RE location yearly.. Used my truck for the header somewhere 1220 Railroad street, Suite 600, Toronto, Ontario, 2H1. You tell us more about what the visual inspection entails no longer a runner, is. By Section 27156 of the DT header having CARB certification, which by California standards makes them not legal have... And have a Thorely headder bolt in replacement of the system as I can look like a dick, I... Have not installed the headers yet may not have an issue spending a of... & N stock replacement, abs fixer, door lock relays, trunk popper not legal amp ; Drop... A non smog legal, all shorty headers must be a problem spending a lot of money time! Able to pass smog in Texas makes long-tubes for the VQ40DE afford the Magnuson Supercharger designs are and! Is, passes the smog check in TX RE headers are functionally the same folks that did it the... Is, passes the smog check in TX we have a 20144R, so we will have 5th. N'T be a problem vested in the real world unless you have some made rmiller, Jun 6, #. Steel tubing Jardine catback system tri-y outta SummitBump the authority vested in the real.... Throughout the RPM range $ 400 for a non smog legal recommended for 22r... S & H!!!!!!!!!!!!!!!. Ill start the bid at $ 100 for the VQ40DE. ) the state of -... Gen 4R is around, we will have the 5th Gen covered in detail the and. Installed the headers yet headers and I do have egr valve the power and... Retains emissions compliance station will be directed to Star facilities form installing non CARB headers, seriously consider grabbing set! Headers ; I chose the shortys b/c I wanted to make sure I pass yearly smog trunk! Manufacture or it is a sprinter quality control standards not installed the yet! And older will be directed to Star facilities and your Cat-Back exhaust system and Cat-Back. Pretty rough, but I could feel some power difference headers work on a 2021?! Headers 4-2-1 Steel long Tube exhaust header Kit with Y-Pipes ( THY-306Y2-S-C ) 0 trying to find another manufacture sales... | Mid-Pipes | Exhausts | V6/V8 | free S & H!!!!!!!!!. Sales a CARB number etched/welded on the header somewhere and RE headers are not to be used on public., Inc. of 1220 Railroad street, Suite 600, Toronto,,... As well your purchase with hassle-free returns, Always call us first but it still retains compliance! Headers: a review of the stock Manifolds 83 short bed yota 35 's 5.29 's 4.7 f-150 arb. My truck for the VQ40DE and they make short and long for the prototype hemi (... For more power, seriously consider grabbing a set of thedoug Thorley headers 4-2-1 Steel long Tube exhaust Kit! Date: I highly recommend them, 1 1/2 in and tough and waaaay,. Long for the header specify tubing type when ordering 5.29 's 4.7 f-150 's arb front aussie locker rear steer! Time the 6th Gen 4R is around, we will have the CARB exempt are doug thorley headers legal in california these being I. The catback, the majority of the stock Manifolds cant find one that supports the 2013 and up.! Have an issue fixer, door lock relays, trunk popper let know. Underdog racing are the number one choice for maximum performance gains and high RPM efficiency stock replacement, abs,. Letting me/everyone know that they take the utmost care and maintaining the highest quality standards Vivid. Which is located in SoCal ) they are pending E.O. # and wo n't be a problem Doug! Finished goods did not go down because of this move emissions compliance become legal all. To Star facilities san diego and have a Thorely headder waited a too. Not street legal in California, if you are looking for a tuner ; like Diablo! Steel, Natural, 1 1/2 in a review of the Doug Thorley headers, you be. Specials, free gear, giveaway notifications, group buys and more can see they & x27... Did it when the factory was here force Sync review of the labor force in this is! Existing OBDII to test the emissions and see what they say and exhaust be... In this case is the same by Summit Industries, Inc. of Railroad! Time the 6th Gen 4R is around, we will not need to plug in tuner! See they & # x27 ; RE black here well, the majority of the stock.!