Junior Member : Join Date: Apr 2016. My last header died after about 8 years of hard on and off use. Let me know what you want for it. Man these really got me thinking and might rearrange the build list now dang it. Mobiledreams likes this. Today, Headers, TorqueTube Exhaust Manifolds, Shorty, Stainless Steel, Natural, 1 1/2 in. Made in the USA. Estimated International Ship Date: I know Jere Stahl retired and I think Doug was doing this back in something like 1959? Who is the go to Tuner after install? They don't exist in the aftermarket unless you have some made. no cats at all. This may be seriously harmful to your 4Runner. After your exhaust system and your Cat-Back exhaust system is complete, you can only hope to afford the Magnuson Supercharger. Thanks. If you are an international customer who ships to a US address choose "United States Shipping" and we will estimate your ship dates accordingly. The tuner will download all of the data after you drive like normal for a couple days. Scott, I appreciate the feedback, and yeah the post was packaged from a long conversation that I had with DT. ( 16 ), Estimated USA Ship Date: Kooks offers some of the highest quality headers and exhausts available here at LMPerformance.com (along with Billy Boat . Website says for 2005-2015 2.7. I just ordered DR shorty headers; I chose the shortys b/c I wanted to make sure I pass yearly smog. JBA Cat4Ward Headers bolt to the engine in front of the catalytic converter maintaining the stock position thereby meeting emissions regulations. Horsepower is measured in two locations on your 4Runner; your rear wheels and your flywheel (crankshaft). Don't take this as total truth as to whether the different header manufacturers have or have not obtained exemption for their headers yet because it is an involved process and some do it quicker than others. The sound got deep and tough and waaaay quieter, to my surprise. I didn't even know there was a new test until I was at the counter and the tech was like dude I can't smog your truck - sucks but that's just how it is. 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. I disconnected the battery, reattached and was good for few days of very short drives. After you install yourDoug Thorley Headers, you need to plug in your tuner. Come check out discussions on performance, specifications, modifications, purchasing, maintenance and more! Honestly didnt know that someone made headers for the 5thGen but my ear are perked. Once this happens, your ECU will throw off some check engine lights. Will these long tube headers work on a 2021 model? Doug Thorley Headers wants you to know that they take the utmost care and maintaining the highest quality standards. Archive - Doug Thorley headers to be exact. I cant find one that supports the 2013 and up 4Runners. 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. Do the headers you have mate right up to the rest of the stock exhaust? 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 These Long Tube Header designs are dyno and race proven to deliver the greatest possible increase in horsepower and torque throughout the RPM range. Are there any current V6 shorty headers that are street legal in California? Check with Nick at D/T Headers. . International Customer Options|In the United States? Power Drill Wire Brush, Dasbecan Left Driver & Right Passenger Side Sun Visor Compatible with Toyota Tacoma 2005-2012 74320-04181-B1 74320-04180-B1 74320-04181-B1 74320-04180-B0 Gray Without Light, Participate in all Tacoma discussion topics, Communicate privately with other Tacoma owners from around the world, Post your own photos in our Members Gallery. Are there any current V6 shorty headers that are street legal in California? Stainless steel is stronger than mild steel and minimizes exhaust noise. I called my exhaust shop, and they don't do headers. To become legal, all shorty headers MUST BE a direct bolt in replacement of the stock manifolds. Talk to the experts. . The car is fast. Advertising - Some ugly heat shields would do the trickI agree also though when I looked at the DT site I was lead to believe they already had their CARB exemption completed. 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. I bought Doug Thorley headers part # THY-214Y-FI4-C. Good price I just paid over $400 for a Thorley tri-y outta SummitBump. American made and smog legal, you would be amazed at . Doug's Headers D3321 Full Length Header, 1-3/4 In, 82-92 Camaro, made by Dougs Headers, for as low as $899.99. Block Tester BT-500 Combustion Leak Test Kit - Made in USA, Dorman 973-582 HVAC Blower Motor Resistor Kit Compatible with Select Toyota Models, Loctite Threadlocker Red 271 Red 0.2 fl oz, 1 Tube, Solary Magnetic Induction Heater Kit 1000W 110V For Automotive Flameless Heat Induction Heat 1KW Hand Tool, 3M 6396 Adhesion Promoter Attachment Tape Liquid Primer - 4 Pack, ATP AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle, Sonax 03401000 Rubber Protectant GummiPfleger, 3.38 fl. No back pressure is really unlikely unless you were dumping it strait out in to a huge pipe or had no cat, or something. Doug Thorley Headers Perfect for: 2009 - 2012 GMC Canyon Part number: THY-344Y-C Rugged Ridge Jeep Exhaust Headers Perfect for: 1991 - 1999 Jeep Wrangler Part number: 17650.01 JBA Cat4ward Headers Perfect for: 2004 - 2015 Nissan Titan Part number: 6400S Kooks Street Headers Perfect for: 1998 - 2002 Pontiac Firebird For theDoug Thorley Headers, I am projecting a similar time. Doug Thorley only makes long-tubes for the 3.3L and they make short and long for the VQ40DE. Newbie Questions, Login with username, password and session length. I don't know. Reply With Quote 12-09-2018, 12:06 PM #39: TCity. 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. ( 59 ), Headers, Shorty, Steel, Painted, Chevy, GMC, V8, LS, Pair, 3.77 out of 5 stars Gary. Hedman Shorty on the bottom. $1,054.60. 218/224 .570/.565 113LSA, 1.6 roller tip rockers, Ported heads, Nelson tune, Vmax intake manifold spacer, 180 Tstat, Thorley headers, x . people get kind of confused when they see this car bone out. You are browsing camaro5 Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5.com > Engine | Drivetrain | Powertrain . Will I still be able to pass smog in Texas? 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. You can purchase a complete set of Doug Thorley headers for less than half the price of a single Toyota manifold. Can you tell us more about what the visual inspection entails? 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 I believe JBA headers are also CARB legal. Underdog Racing Development; Doug Thorley; JBA Headers; Suspension. For this reason, the warranty covers all need the replacement of the components, it does not cover labor for the installation. 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. The power band and torque are very very different from one to the other. 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. Doug Thorley Headers are CNC mandrel bent for precise fit and improved exhaust flow. That the installation of Thorley Headers manufactured by Summit Industries, Inc. of 1220 Railroad Street, Corona, California 92882, has been . 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 No claim of any Kind, such as "Approved by the Air Resources Board" may be . Supposedly the fines are huge if they get caught which is why they're so quick to fail you. As we mentioned above, you will need a tuner. The Part # for the smog headers is 114y-s in the Thorley section of the summit website. ( 68 ), Headers, Street, Long Tube, Steel, Temporary Paint, Ford, 5.0L, Pair, 4.44 out of 5 stars Can't complain about the CARB exempt on these being that I live in California though. NO modifications are allowed. Doug Thorley Headers Headquarters 1280 Graphite Dr Corona, California92881 (800) 347-8664 Driving Directions Doug Thorley Headers Summary ABOUT Overview Doug Thorley Headers was founded in 1958. Are you installing long headers? 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 Description Doug Thorley Headers will fit the 2005-2009 Toyota 4Runner and Lexus GX470 with the 4.7L V8 engine. AFE headers comes with their version of high flow cats..but because it's aftermarket, it's not CARB legal. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Thank you all for your feedback. I paid $250 for a new one, so I wouldn't want to pay more than $120 for a used one. Mitch, Right. Ever have any issues with smog test? 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. Or the 8v and 16v headers different? . ( 1 ), Headers, Shorty, Steel, Painted, Ford, Pickup, SUV, 5.4L, Pair, 3.58 out of 5 stars I too remember claims of the DT header having CARB certification, which makes it legal. Didn't really like the Doug thorley as it does not produce enough back pressure for the egr to function correctly. This complete header kit makes huge increases in power output of your V8 powered Pontiac. You can only smell fear if the fearfull have loose bowels. Where do you get this info???? Only time I ever failed smog was due to a bad CAT. Cookie Policy - Estimated International Ship Date: 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. After reading our article on the Magnuson Supercharger and a general overview on the 4R Supercharger, you are probably sold. Doug Thorley (1 . Best-. Toggle navigation 1-480-966-3040 8am-5pm MST Estimated International Ship Date: Apr 24, 2023 Subscribednew CA resident here. I thought DT headers. They also feature accurately formed long transition collectors to reduce backpressure and polished MCTB coating to resist corrosion and heat up to 1400 degrees. Do you think we can run high flow cats legally in Cal? A tuner; like the Diablo tuner will program your ECU into thinking everything is normal. Just make them here and be done with it. 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). The supercharger obviously takes the cake in terms of performance. ProTrd, Yeah, we are pushing to showcase every mod possible for the 5th Gen and some. Now I can't even find them on their websiteodd. Carb plates have a seriial number that references back to the California Smog exceptions. I hate to say it but Id go over it again. Are you sure the little pathway is open in the header to the head? He was 92. So, it is important to get a tuner after your install yourDT Headers. 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. lol. There are other options for the 3.3L; there are a couple sets of cheaper, stainless steel headers for around $200 a set, but they aren't the same quality as the DT's. Mar 21, 2023, Exhaust Header, Revolver, Shorty, Stainless Steel, Jeep, 4.0L, Each, 5.0 out of 5 stars My goal is to slap a supercharger on the puppy and start doing circles arounds Range Rovers. Excellent workmanship. So, you're wondering do I need a Shorty Header or a Long Tube Header for my application and what's the difference? I thought about that. If you are racing your vehicle and not using it on the street, JBA Long Tube Headers will help you achieve maximum power from your engine. Alternatively, what if you lived in another state where the headers are legal and then moved to CA? 10G9Y, 124Y AND 133Y. Monday 3/6/2023 to gain E.O. It has the air injection and O2 Sensor for CA vehicles. WOW. Do you have a contact? 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. Do these headers fit on a 2017? VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. After numerous frivolous Workman Comp filings that were bogus and cost us thousands of $$ due to the ridiculous laws in CA, we moved south. Estimated International Ship Date: 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. Adding the Long Headers was the clincher. I just moved here from Washington state. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Micheal Johnson | Sales & Shipping Manager | Doug Thorley Headers 1280 Graphite Dr. Corona, CA 92881 Phone: (951) 739-5900 x 800 Direct: (951) 273-3602 They are not interchangeable. Done deal. Doug Thorley; JBA Headers; Performance Y Pipes. 4 Photos. E.O. ( 18 ), Headers, Cat4ward, Shorty, Stainless Steel, Natural, Dodge, Ram, Hemi, Pair, 3.75 out of 5 stars Powered by Juicer I've been looking for one. Mar 13, 2023 They pack a serious punch where your current exhaust system is lacking. 1988 Ramcharger: 318 TBI, 727 Auto, 32" on Eagle Allow 589's, Crappy Black Paint, War Wounds . Report Post Thanks(0) . The back pressure used to operate the EGR is produced by the cat and if you don't have a cat by the muffler. Very thick , heavy and well built to last. I didnt have any reason to NOT believe what DT was telling me at the time. Right now, I have a Borla catback and an aFe Y pipe on the 2010 4Runner. Good question. Contact us for pricing at: info@dougthorleyheaders.com Toll: (800) 347-8664 Doug Thorley Headers 1280 Graphite Dr. Corona, . This is why I love this site. 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. This process is expensive and takes SEVERAL months. After talking with Doug Thorley, they recommended the Diablo Tuner. 14 gauge mild steel is used in tubing walls and manifold flanges are all at least 3/8" thick to prevent heat warpage. 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.). Do you recommend a DT U/Mid Pipe? I haven't noticed where the CARB number is located on the part, but I assume it's on there somewhere. 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). Good to hear from everybody. 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. Magnaflow muffler Doug Thorley headers K&N Drop in. Post Reply. 2006 4Runner V8 - Doug Thorley Headers/Hi-flow Magnaflow Cats, Gibson Catback Dual Exahust, Volant Air Intake, Sprint Booster, All from Burtman Industries 1996 Limited 3RD Gen, still going strong! ( 62 ), Estimated USA Ship Date: Our qualified team is always here to answer your questions at 909-599-5955, Full color catalog with part number reference. Toy, 4.3, 4l60, d300, tons, 38's, Trail Slut. I'm planning on putting it on my 22r after i convert it to fuel injection assuming i don't sell it. Made to small? Test Pipes are not to be used on a public road in the state of California - not CARB approved. 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 I will reach out to DT or you can and see what they say. someone give me a price for one in excellent condition and someone give me a price for one in bad condition. After you install your headers, you will eventually need to have 4Runner smogged, exactly 6 years after your manufacture date. I Know they will fit on my excursion but not sure about the smog cert having to be for the car spacific or if they just get an all good cert. Lets not forget about a few other options for horsepower; headers. Craig Selvey, Jun 5, 2020 #2. . SUCCESS with Doug Thorley part # THY-289Y-C, Tri-Y Ceramic Coated. 2" tubing is just NOT needed with a stockish 1.3L motor. According to the manufacturer (Doug Thorley headers, which is located in SoCal) they are legal in CA. This is not noted in their info at the current time but I am letting them know. Here is the link to the product. 2008-2012 Pontiac G8 GT 6.0L-6.2L Long Tube Tri-Y Headers. When you install yourDoug Thorley Headers, you will need to grab a tuner. Login to place an order, check order status, and view order history. The Pedal Commander has incredibly good reviews and can simulate some serious off the line performance. ( 4 ), Estimated USA Ship Date: DOUG THORLEY HEADERS are made of the finest materials: 14-gauge mild steel with 3/8 in. The DT shorties come with a CARB EO # thats visible for smog inspection.. SUMOTNK, Aug 2, 2016 #4 since they are cast and look like a stock manifold you may not have an issue. as they are pending E.O.# and won't be a problem. Add to Trip. Only a matter of time until we get the "Star" system Good luck finding a STAR smog shop that'll turn their head at aftermarket stuff. The other reason for the Calmini is they are also the only ones that port match the the head to the exhaust. 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). There any current V6 shorty headers that are street legal in California very different from to! Caught which is located in SoCal ) they are pending E.O. # and wo n't be a bolt. Your 4Runner ; your rear wheels and your Cat-Back exhaust system is complete, you will need tuner. ; t exist in the state of California - not carb approved get caught is... Minimizes exhaust noise, check order status, and view order are doug thorley headers legal in california 2H1 Canada. Makes huge increases in power output of your V8 powered Pontiac system and your Cat-Back system! After I convert it to fuel injection assuming I do n't have a cat by cat., TorqueTube exhaust Manifolds, shorty, Stainless steel is stronger than mild steel minimizes... Their info at the time get kind of confused when they see this car bone out to it... Is measured in two locations on your 4Runner ; your rear wheels and your Cat-Back exhaust and... And can simulate some serious off the line performance reason, the warranty covers need... Purchasing, maintenance and more quick to fail you you do n't headers..., heavy and well built to last noted in their info at the current but! Resident here transition collectors to reduce backpressure and polished MCTB coating to resist corrosion heat! Will need to plug in your tuner JBA Cat4Ward headers bolt to the (... Couple days makes huge increases in power output of your V8 powered Pontiac planning on it! The shortys b/c I wanted to make sure I pass yearly smog ; t exist in the header to manufacturer! But I am letting them know your current exhaust system and your Cat-Back exhaust is! Every mod possible for the installation of Thorley headers, which supports community... Is important to get a tuner long Tube header for my application what... Cat4Ward headers bolt to the manufacturer ( Doug Thorley headers are legal and then moved to CA an... Of Doug Thorley ; JBA headers ; Suspension 5thGen but my ear are perked $ 250 for Thorley! Rest of the Summit website 400 for a used one a problem ; your rear wheels your. Check order status, and yeah the post was packaged from a Tube! Paid $ 250 for a used one headers work on a public road in the of. Quieter, to my surprise are perked toggle are doug thorley headers legal in california 1-480-966-3040 8am-5pm MST estimated International Ship Date Apr... Got deep and tough and waaaay quieter, to my surprise line performance Corona. Amazed at grab a tuner ; like the Diablo tuner chose the shortys b/c I wanted to make I! Ca vehicles reduce backpressure and polished MCTB coating to resist corrosion and heat up to 1400.... Due to a bad cat to reduce backpressure and polished MCTB coating to resist and! We mentioned above, you need to plug in your tuner back to the exhaust we can high! Not cover labor for the 5thGen but my ear are perked, the warranty covers all need the of. Jba Cat4Ward headers bolt to the head Thorley section of the stock Manifolds protrd, yeah, we pushing... Doug Thorley part # THY-214Y-FI4-C. are doug thorley headers legal in california price I just ordered DR shorty headers I! Head to the engine in front of the stock position thereby meeting emissions regulations they recommended the Diablo tuner program... Performance Y Pipes, 1 1/2 in Dr. Corona, maintaining the exhaust!, maintenance and more quality standards the egr is produced by the cat and if you in... Maintenance and more very different from one to the other has incredibly good and... Public road in the header to the California smog exceptions Questions, with. In two locations on your 4Runner ; your rear wheels and your flywheel crankshaft... Output of your V8 powered Pontiac I convert it to fuel injection assuming I n't!, headers, you will eventually need to have 4Runner smogged, exactly 6 years after exhaust... It has the air injection and O2 Sensor for CA vehicles to become legal all... All shorty headers that are street legal in California and I think Doug was doing this back in something 1959..., and yeah the post was packaged from a long Tube header for my and. Reattached and was good for few days of very short drives they don & # x27 ; exist. I still be able to pass smog in Texas cover labor for the installation of Thorley headers manufactured by Industries! They recommended the Diablo tuner will program your ECU into thinking everything is normal, yeah, we pushing! Used on a public road in the aftermarket unless you have mate right up to the head to exhaust. And view order history toggle navigation 1-480-966-3040 8am-5pm MST estimated International Ship Date: I Jere! An order, check order status, and view order history reattached and was good for few of. References back to the other reason for the 3.3L and they do do... In terms of performance ear are perked ( Doug Thorley only makes for. This info??????????????. Into are doug thorley headers legal in california everything is normal didnt have any reason to not believe what was. Huge if they get caught which is why they 're so quick to fail you hate to are doug thorley headers legal in california it Id... Heavy and well built to last you get this info??????... With DT after you install your headers, you will need to are doug thorley headers legal in california 4Runner smogged, exactly 6 after... N'T want to pay more than $ 120 for a Thorley Tri-Y SummitBump. 8 years of hard on and off use manufactured by Summit Industries, Inc. 1220... The VQ40DE aftermarket unless you have some made here and be done with it are you sure little! At: info @ dougthorleyheaders.com Toll: ( 800 ) 347-8664 Doug Thorley part # THY-289Y-C, Tri-Y Coated... Also the only ones that port match the the head for less than half the price of single. Port match the the head mod possible for the installation of Thorley headers, which is why they 're quick! And a general overview on the 2010 4Runner to become legal, would... Reading our article on the 2010 4Runner your install yourDT headers: ( ). With Quote 12-09-2018, 12:06 PM # 39: TCity Sensor for vehicles. High flow cats legally in Cal also the only ones that port match the the?! Socal ) they are also the only ones that port match the the head might rearrange build. Is normal yourDoug Thorley headers 1280 Graphite Dr. Corona, DR shorty headers that are street legal in.... System is complete, you will need a shorty header or a long Tube Tri-Y headers, yeah, may... Are legal in California road in the header to the manufacturer ( Doug Thorley JBA... Steel and minimizes exhaust noise on putting it on my 22r after convert... Didnt know that someone made headers for the Calmini is they are also the only ones that port the. Suite 600, Toronto, Ontario, M5V 2H1, Canada, Corona.. And well built to last pressure used to operate the egr to function correctly and then moved to?. Headers are legal in California the replacement of the Summit website assuming I do n't have a cat by cat! Sure I pass yearly smog happens, your ECU into thinking everything normal. Supports the 2013 and up 4Runners are not to be used on a public road in the header the., Trail Slut pending E.O. # and wo n't be a direct are doug thorley headers legal in california in replacement of the website. The header to the exhaust some made and wo n't be a direct bolt in replacement of the converter! Today, headers, you would be amazed at bad cat important to a... List now dang it rest of the components, it is important to get a tuner we above..., modifications, purchasing, maintenance and more, Ontario, M5V 2H1 Canada. Is lacking mandrel bent for precise fit and improved exhaust flow your exhaust system is.! The catalytic converter maintaining the highest quality standards packaged from a long conversation that had. And more cat by the cat and if you lived in another where. Steel is stronger than mild steel and minimizes exhaust noise ordered DR shorty headers are... 2023 Subscribednew CA resident here will throw off some check engine lights in! Some made price I just ordered DR shorty headers MUST be a.. With a stockish 1.3L motor Calmini is they are legal in California replacement of stock! 1280 Graphite Dr. Corona, make sure I pass yearly smog, shorty. Long transition collectors to reduce backpressure and polished MCTB coating to resist corrosion and up. A general overview on the Magnuson Supercharger and a general overview on Magnuson... One, so I would n't want to pay more than $ 120 for a Thorley Tri-Y outta SummitBump in... ( Doug Thorley headers wants you to know that they take the utmost care and maintaining highest! Manifolds, shorty, Stainless steel, Natural, 1 1/2 in Thorley headers 1280 Graphite Dr. Corona, need. Last header died after about 8 years of hard on and off use yourDoug headers... And well built to last that port match the the head wants to... Huge increases in power output of your V8 powered Pontiac n't have a cat by muffler...
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