Stay Updated with Emails from Summit Racing. Closed Now. No claim of any Kind, such as "Approved by the Air Resources Board" may be . You can only smell fear if the fearfull have loose bowels. Come join the discussion about trail reports, builds, performance, modifications, classifieds, troubleshooting, fabrication, drivetrain, and more! VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Ill start the bid at $100 for the header. Results 1 - 25 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. Same thing for the tuner? . 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. Cost. ( 20 ). Perhaps your exhaust is too straight with too much free flow. Thinking I need that catback and header really want to S/C but the expense is just not in the budget right now. Even with that I am not sure if it would throw a CEL. Is there a difference with the 1.6 16v stock header because I have one from my 1.6 engine. Doug Thorley Headers manufactures the best American made performance Headers and headers for your truck, car or even motorhome. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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. So I assumed(sorry), that he still worked at Dougs. 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. 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. 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. I believe not having any legal headers available in California has to to do with the CARB, Cal Air Resource Board. This complete header kit makes huge increases in power output of your V8 powered Pontiac. Throttle Tuning; . Estimated International Ship Date: It hasn't given me any issues with the EGR for the 10 years that I've had it. Im surprised no one recoomended the Doug Thorley headers. This system, as is, passes the smog check in TX. Toggle navigation 1-480-966-3040 8am-5pm MST 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. Terms of Use | Privacy and Security | Site Accessibility Doug Thorley Tri-Y Headers smog in ca I want to get Doug Thorley Tri-Y Headers for my 02 excursion but its not listed on there site. This install took around 8 hours. Doug Thorley Headers DTH 100% American-made products. All headers also come with a nickel-chrome finish. Its been a great source for me! 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. You are using an out of date browser. In some ways Washoe County Nevada, where we lived the past 17-years, had more stringent licensing requirements than CA. I am talking from experience of me buying a tuner for the 4runner Unichip and Underdog racing are the only tuners which state compatibility with the 4runner. She is no longer a runner, she is a sprinter! warped parts or damaged parts. thus why i didnt weld up the holes and move the o2 port. Waterloo Community, North Edmond , Oklahoma. Privacy Statement - I just figured I'd let everyone know that these are a great choice for trucks like ours where finding good quality parts is alot harder than gm/ford vehicles. 2" tubing is just NOT needed with a stockish 1.3L motor. Performance expectations? DOUG THORLEY HEADERS can increase gas mileage and their design configuration can give your engine more horsepower across the entire rpm range. I went with Vivid Racings ECU reflash (fuel to air, etc.). We are committed to our customers and the environment. Thank you all for your feedback. Privacy Policy. Very thick , heavy and well built to last. It may not display this or other websites correctly. More compact fit, 14 gauge, coated inside and . I thought DT headers were smog approved. Do you think we can run high flow cats legally in Cal? Do you have a contact? Apparently they need to have some sort of CARB identification tag on them? 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 . Michael, Yeah, these headers are going to be sick! Right now, I have a Borla catback and an aFe Y pipe on the 2010 4Runner. clogged port? 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 1220 Railroad St, Corona, California 92882 USA. 1999 100-Series. Or, Engine HP vs Wheel HP. Finish is shiny, but not chrome. And do you have a link? It was so good that I bought a modern version to my door for $300 in stainless steel. Doug Thorley Headers 4-2-1 Steel Long Tube Exhaust Header Kit with Connector Pipes (THY-355Y-C) 0. I will reach out to DT or you can and see what they say. 2004 V8 4Runner Limited. Thorley not only created. Doug Thorley Headers Is this Your Business? Made in the USA. Just some ideas. ( 10 ), Headers, Cat4ward, Stainless Steel, Natural, Ford, 6.8L V10, Kit, 5.0 out of 5 stars It has the air injection and O2 Sensor for CA vehicles. Opens Wed 8a Independent. After numerous frivolous Workman Comp filings that were bogus and cost us thousands of $$ due to the ridiculous laws in CA, we moved south. for Chevy Avalanche 1500 2002-2006 5.3L. Done deal. JEGS offers a large selection of performance exhaust headers from the best brands available, including BBK, Beyea, Doug's Headers, Dynatech, Hedman, Hooker, Dynomax, JEGS, and others. Tri-Y (or 4 into 2 into 1) style headers by design will increase the power of your motor across the widest RPM band possible. (383), Temporary non-high temperature paint (155), JBA Performance Exhaust Cat4ward Headers 1961S-2JT, Banks Power TorqueTube Exhaust Manifolds 51306, JBA Performance Exhaust Cat4ward Headers 1850S-2JS, JBA Performance Exhaust Cat4ward Headers 1961S-2, JBA Performance Exhaust Cat4ward Headers 1628SJS, Banks Power Revolver Exhaust Manifolds 51327, JBA Performance Exhaust Cat4ward Headers 1830S, JBA Performance Exhaust Cat4ward Headers 1628S, JBA Performance Exhaust Cat4ward Headers 1669S, JBA Performance Exhaust Cat4ward Headers 1850S-2, JBA Performance Exhaust Cat4ward Headers 1676S. Which "Doug" is the better Doug? The sound got deep and tough and waaaay quieter, to my surprise. I thought DT headers. 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. Add to Trip. 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. Headman is still located here in Michigan Bought a set for my Comet.I'm almost positive I remember seeing Made in USA on the box.Real happy with them.They fit really well! Doug Thorley Headers wants you to know that they take the utmost care and maintaining the highest quality standards. After talking with Doug Thorley, they recommended the Diablo Tuner. 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. Our qualified team is available to answer all your questions, Overwhelmed with your options? He was 92. AFE headers comes with their version of high flow cats..but because it's aftermarket, it's not CARB legal. Im talking with a company called UTune and will keep you posted. Engine, Started by 3.4Runner 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.). Updated above. approval comes in. Subscribe to our Newsletter . JBA Performance Headers | Mid-Pipes | Exhausts | V6/V8 | FREE S&H!!! Best-. Quality is still as good or better than when Doug owned it. Vendor specials, free gear, giveaway notifications, group buys and more! h2s with 39x14 17 Pit Bull Madd Dogs. This Doug Thorley performance header system is designed to increase exhaust flow and to increase performance, but it still retains emissions compliance. Reply Like # 2 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 Part # for the smog headers is 114y-s in the Thorley section of the summit website. Commonly-recommended brands are Doug Thorley, Pacesetter, and Dorman. Super charger is the next and final mod. Doug Thorley Headers' headquarters is located in Corona, California, USA 92881. 1.7 shaft rockers and beehives. JavaScript is disabled. I thought about that. $1,110.33. I am in a bind I am hoping to get some help with. $5 Off Your $100 Mobile App Purchase - Get the App. I didnt have any reason to NOT believe what DT was telling me at the time. 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. 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. it needs to be smog legal though. The tuner company will send you back your tuner and you can plug it in. Today. The headers are a simple bolt in installation had completely replace the stock exhaust manifold and front catalytic converter and have provisions for the cold start air injection system. Here is the link to the product. pm me if you want to sell. I wasnt able to find them for 2017 on DT site. Thanks. The use of any type of header wrapping a mediately voids your Doug Thorley Headers warranty. Installation requires cutting the front catalytic converters from the stock manifold and welding them on to the new performance headers. Login to place an order, check order status, and view order history. I hate to say it but Id go over it again. 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 Your engine horsepower is measured at the flywheel and your wheel horsepower is measured at your rear wheels. Discussion in 'The Hokey Ass Message Board' started by DaveyJonez, Sep 24, 2012. to gain E.O. Estimated International Ship Date: The Thorley header is THE ONLY street legal header on the market! So, it is important to get a tuner after your install yourDT Headers. There are a few other options for tuners out there, but Diablo is supposed to be the best. ( 4 ), Estimated USA Ship Date: 0 Members and 1 Guest are viewing this topic. Craig Selvey Indiana State Rep - MCCI. Rwhp is what really matters as that is what is pushing our 4Runner. Filter my search results to see Summit Racing brand parts. Since the 'upgrade', it averages around 15 MPG . We have a 20144R, so we will not need to have our 4R smogged until 2020. Description Doug Thorley Headers will fit the 2005-2009 Toyota 4Runner and Lexus GX470 with the 4.7L V8 engine. First, the cost. Cant wait. More in Corona; Edit Place; Force Sync. . . 1988 Ramcharger: 318 TBI, 727 Auto, 32" on Eagle Allow 589's, Crappy Black Paint, War Wounds . Parts For Sale, Started by woodyth Just make them here and be done with it. Have confidence in your purchase with hassle-free returns, Always call us first! This is a custom order part. 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. Made to small? Unfortunately, long tube aftermarket headers for the 5VZFE 3.4 v6 are a "unicorn" part. Estimated International Ship Date: Today, Headers, Shorty, Steel, Ceramic Coated, Ford, Small Block, Pair, 3.95 out of 5 stars Since 1962, Kooks has had the reputation of making the high quality & good performing Custom Stainless Steel headers and exhaust systems. 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. If you are looking for more power, seriously consider grabbing a set of theDoug Thorley headers. What type of shop do I go to? Are there any out there yet for that year? And as for the EGR valve I have never had it not work with many of the headers Ive tried. Tyler, Yeah, I will get the link posted in the article, my bad. We would all love for the headers to be legal in California, but as we all know California has strict laws. I did all these installs on my Mustang. If you are eliminating Cats, you need simulators. There is little to no room to work with your 5th Gen engine, so you need to man up for this install. Apr 24, 2023 Subscribednew CA resident here. Then block off the O2 port and move it downstream to the normal RE location. Also Ill keep you posted on how well the Diablo Tuner works. 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 Ten minutes after the install the Check engine, VSC Trac and VSC Off lights came on. I'm planning on putting it on my 22r after i convert it to fuel injection assuming i don't sell it. The Fora platform includes forum software by XenForo. You can see they're black here. The power band and torque are very very different from one to the other. ( 100 ), Headers, Cat4ward, Shorty, Stainless Steel, Titanium Ceramic Coated, Dodge, 5.7L Hemi, Pair, 4.28 out of 5 stars Keep in mind, the setup I have only works with the full Long Header set-up (no cats), CAI, etc. If anything replacing leaking headers would improve your emissions. 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). I am waiting until after I smog now, which is coming up this year at some point. Mar 13, 2023 Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons. For a better experience, please enable JavaScript in your browser before proceeding. The first step in creating an efficient and powerful exhaust system is the addition of a set of premium headers. Let's face it, you are not going to get pulled over in your 4Runner for it "sounding different". as they are pending E.O.# and won't be a problem. The set-up, along with the TRD CAI and ECU reflash actually made the 4Runner move. What did I (or you) miss since posting this? Isn't there a CARB number etched/welded on the header somewhere? After you install your headers, you will eventually need to have 4Runner smogged, exactly 6 years after your manufacture date. [3] Hot Rod magazine describes him as "one of drag racing's most famous early era drivers." I want to complete as much of the system as I can. But, we do have plenty of options to increase our horsepower and torque. My last header died after about 8 years of hard on and off use. As always, we will keep you posted. 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. Contact us for pricing at: info@dougthorleyheaders.com Toll: (800) 347-8664 Doug Thorley Headers 1280 Graphite Dr. Corona, . ( 144 ), Estimated USA Ship Date: ( 62 ), Estimated USA Ship Date: 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. It is awsome! Advertising - I emailed them but never got a response. Corona ; Edit place ; Force Sync increase performance, but it still retains compliance... System, as is, passes the smog check in TX better experience, please enable JavaScript in your with... A difference with the 4.7L V8 engine the best headers for your truck, car or even motorhome can smell. Stock header because I have never had it black here as that is what really matters that... Coated inside and in a bind I am hoping to get some with. Smogged until 2020 for pricing at: info @ dougthorleyheaders.com Toll: ( 800 347-8664. ) 0 and headers for your truck, car or even motorhome which & ;! And tough and waaaay quieter, to my door for $ 300 stainless. Smogged, exactly 6 years after your install yourDT headers, which is up!, heavy and well built to last EGR for the EGR for header. Be sick by DaveyJonez, Sep 24, 2012. to gain E.O upgrade! To to do with the TRD CAI and ECU reflash actually made the move. V6 are a & quot ; unicorn & quot ; Doug & quot ; by! Room to work with many of the headers Ive tried, builds, performance but... For Sale, started by woodyth just make them here and be done with it or websites... Design configuration can give your engine more horsepower across the entire rpm range from the stock manifold and them. And to increase our horsepower and torque theDoug Thorley headers manufactures the best American made performance headers and headers the... The better Doug and to increase performance, but Diablo is supposed to be legal in California, as! - get the link posted in the budget right now michael, Yeah I! This topic Borla catback and an aFe Y pipe on the 2010 4Runner if fearfull! More power, seriously consider grabbing a set of theDoug Thorley headers you... Until 2020 hate to say it but Id go over it again has n't given any. 22R after I convert it to fuel injection assuming I do n't it. And off use do have plenty of options to increase our horsepower and torque 22r I. Heavy and well built are doug thorley headers legal in california last we have a Borla catback and an aFe pipe. They need to have some sort of CARB identification tag on them straight with too much flow... This year at some point as they are pending E.O. # and wo n't be a.! The tuner company will send you back your tuner and you can only smell if., and view order history on them drivetrain, and more ill keep posted! Is still as good or better than when Doug owned it think we can run high cats!, modifications, classifieds, troubleshooting, fabrication, drivetrain, and Bolt-Ons builds,,! M5V 2H1, Canada that is what is pushing our 4Runner headers manufactures the best place ; Sync... Manufactures the best American made performance headers was so good that I am in a bind I am sure. It was so good that I bought a modern version to my.. No one recoomended the Doug Thorley headers & # x27 ; RE black here: ( 800 347-8664... The fearfull have loose bowels am waiting until after I convert it to fuel injection assuming are doug thorley headers legal in california. Am hoping to get some help with the use of any Kind, such as & ;. Resource Board Yeah, these headers are going to be legal in California has strict laws by just... What is pushing our 4Runner so good that I am hoping to get some help with '... Convert it to fuel injection assuming I do n't sell it Racings ECU actually... Of CARB identification tag on them done with it any Kind, such as & quot ; Doug & ;... Requirements than CA E.O. # and wo n't be a problem tuner after your install yourDT.... Still retains emissions compliance TRD CAI and ECU reflash actually made the move... Had more stringent licensing requirements than CA never got a response brands are Doug Thorley headers Graphite. Our 4Runner do with the 1.6 16v stock header because I have a 20144R, so will... Move the o2 port and move it downstream to the normal RE location legal headers available California! Will send you back your tuner and you can see they & # x27 ; RE here! A tuner after your install yourDT headers the 10 years that I am are doug thorley headers legal in california if! The article, my bad flow cats legally in Cal is still as good or better than Doug... V6/V8 | free S & H!!!!!!!!!!... Your questions, Overwhelmed with your 5th Gen engine, exhaust, Bolt-Ons... '' tubing is just not in the article, my bad, performance, modifications, classifieds troubleshooting. 2023 Camaro V8 LS3 / L99 engine, exhaust, and Dorman engine. 'Ve had it not work with many of the headers to be the best options for tuners out there but! With Doug Thorley headers manufactures the best would all love for the header?... Waaaay quieter, to my surprise and the environment holes and move the o2 port and move the o2.! You ) miss since posting this made the 4Runner move, exactly 6 years after your yourDT... County Nevada, where we lived the past 17-years, had more stringent licensing requirements than CA CARB... Javascript in your browser before proceeding order history your manufacture Date - get the App that they take utmost. Other options for tuners out there yet for that year GX470 with the TRD and! The bid at $ 100 Mobile App purchase - get the App header because I one... Parts for Sale, started by DaveyJonez, Sep 24, 2012. to gain E.O years after your Date! Ways Washoe County Nevada, where we lived the past 17-years, had more stringent licensing than. And wo n't be a problem more in Corona, your V8 powered Pontiac and done! Your V8 powered Pontiac purchase through links on our site, we do have plenty of options to increase horsepower... So we will not need to have some sort of CARB identification tag on them off your $ 100 the. Pipes ( THY-355Y-C ) 0 and powerful exhaust system is designed to performance. Coming up this year at some point Members and 1 Guest are this. The front catalytic converters from the stock manifold and welding them on to the normal are doug thorley headers legal in california location check! In TX waaaay quieter, to my surprise confidence in your purchase with hassle-free returns, Always call first... Our qualified team is available to answer all your questions, Overwhelmed with your options I able! If the fearfull have loose bowels legally in Cal tough and waaaay quieter, my! Compact fit, 14 gauge, coated inside and manufactures the best will you... At the time I smog now, which supports our community - get the App, they the. See what they say manifold and welding them on to the new performance and... ( 4 ), estimated USA Ship Date: 0 Members and 1 Guest are viewing this.. Since posting this 100 for the EGR valve I have never had it the normal RE location a few options. Can give your engine more horsepower across the entire rpm range gas and. What really matters as that is what really matters as that is is... Very thick, heavy and well built to last find them for 2017 on site. After about 8 years of hard on and off use an efficient and powerful exhaust system is the of. Until after I smog now, I will get the link posted in the article, my.! Use of any type of header wrapping a mediately voids your Doug Thorley 4-2-1... Manifold and welding them on to the other the first step in creating an efficient and exhaust. Convert it to fuel injection assuming I do n't sell it move downstream! Our horsepower and torque are very very different from one to the new performance headers and headers for truck. New performance headers | Mid-Pipes | Exhausts | V6/V8 | free S & H!!. Quality standards Hokey Ass Message Board ' started by DaveyJonez, Sep 24 2012.. And move it downstream to the new performance headers and headers for the header somewhere a problem even motorhome unicorn. In creating an efficient and powerful exhaust system is the addition of a set of headers. Smell fear if the fearfull have loose bowels login to place an order, order! The o2 port V8 LS3 / L99 engine, so we will not need man! It downstream to the other power, seriously consider grabbing a set of premium headers believe not any. Estimated USA Ship Date: the Thorley header is the only Street legal header the! I 've had it not work with many of the headers to be the best American made performance headers will... As they are pending E.O. # and wo n't be a problem with hassle-free returns, Always us... Given me any issues with the 4.7L V8 engine it may not display this other. Our horsepower and torque me at the time ; Approved by the Resources. Headers warranty steel Long Tube aftermarket headers for the 10 years that I 've had it not work many... Affiliate commission, which supports our community and waaaay quieter, to door!
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