are doug thorley headers legal in california

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. So, you're wondering do I need a Shorty Header or a Long Tube Header for my application and what's the difference? 06-17-2010, 11:01 AM . The car is fast. Parts For Sale, Started by 87hillbillyoter Login to place an order, check order status, and view order history. 10G9Y, 124Y AND 133Y. I was not alive in the 1970s but I did manage to find a cool ad online for Doug Thorley headers. Doug Thorley (1 . The ones for the f250 will fit. thus why i didnt weld up the holes and move the o2 port. I just need to find a weekend for the install. The shorty design yields high performance gains that street car enthusiasts crave. I went with Vivid Racings ECU reflash (fuel to air, etc.). Mar 13, 2023 As long as you don't replace the CATs or move their location, any shorty headers are legal. Hmmmm good to know about the 1.6 8v header HP notes as Im running one right now. Estimated International Ship Date: Doug Thorley Headers 304 SS Long Tube 4 To 1 Exhaust Header Kit with Connector Pipes (THY-312) 0. No claim of any Kind, such as "Approved by the Air Resources Board" may be . T5z and 3.89 9" TL rear. Test Pipes are not to be used on a public road in the state of California - not CARB approved. Alternatively, what if you lived in another state where the headers are legal and then moved to CA? Kooks Headers. JBA works with the California Air Resources Board (C.A.R.B.) Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons. Just make them here and be done with it. If you have a diff breather install, you may have to rework your lines as well. 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. it needs to be smog legal though. 4: Replacing with aftermarket headers: A review of the Doug Thorley Short Tube Headers. So far I think the Doug Thorley Headers are an extremely good option. Doug Thorley started back in 1958 when it introduced the first Tri-Y headers. Run your 4Runner and let the tuner gather its new data sets. Discussion in '2nd Gen. Tacomas (2005-2015)' started by RCKYOTA, Aug 1, 2016. Good to hear from everybody. The Doug Thorley Headers are not street legal in California. Today, Headers, Shorty, Steel, Painted, Dodge, Pickup, 5.2, 5.9L, Pair, 4.08 out of 5 stars 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 use of any type of header wrapping a mediately voids your Doug Thorley Headers warranty. What tuner are yall talking about. Can't complain about the CARB exempt on these being that I live in California though. Primary Tubes, Cadillac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, Pair, 4.54 out of 5 stars Michael, Yeah, these headers are going to be sick! If the cost of finished goods did not go down,then why move in the first place? Then block off the O2 port and move it downstream to the normal RE location. Just stick with OEM. What did I (or you) miss since posting this? Come join the discussion about trail reports, builds, performance, modifications, classifieds, troubleshooting, fabrication, drivetrain, and more! They pull and peak out very differently in the real world. JBA Performance Headers | Mid-Pipes | Exhausts | V6/V8 | FREE S&H!!! Just some ideas. TheDoug Thorley headers are an affordable, very powerful solution for your power. Craig Selvey, Jun 5, 2020 #2. . ( 23 ), Estimated USA Ship Date: I've seen some articles on the net saying that there are apparently SOME headers that are approved for a C5 Z06 by CARB in California. 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. 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. Quality, heavy duty stainless steel construction producing massive power gains are synonymous to the JBA design philosophy. ( 41 ), Estimated USA Ship Date: Collector Diameter, Jeep, 4.0L, Each, 4.71 out of 5 stars 1970 FJ40 Ford 351w, Edelbrock aluminum heads, Holley carb, 4inch lift, 33' tires, Dune beige, unknown miles (broken odometer). So if you are looking for a non smog legal RE header, just make your current 22r header into one. Privacy Policy. Vendor specials, free gear, giveaway notifications, group buys and more! You can only smell fear if the fearfull have loose bowels. of 686, Headers, Shorty, Steel, Painted, Chevy, GMC, Pickup, SUV, 5.0L, 5.7L, Pair, 3.99 out of 5 stars ( 17 ), Headers, Shorty, Steel, Ceramic Coated, Chevy, GMC, Pickup, SUV, 4.8, 5.3L, V8, Pair, 4.0 out of 5 stars Terms of Service. Yeah, I have them. For a better experience, please enable JavaScript in your browser before proceeding. Smog stations apply for this certification and it means they meet the smog testing requirements with a certain level of accuracy. 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. You can also install a Pedal Commander which alters your throttle lag time. But, we do have plenty of options to increase our horsepower and torque. 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. The back pressure used to operate the EGR is produced by the cat and if you don't have a cat by the muffler. The D-540 is the CARB exemption number allowing them to be used in California on street vehicles. DOUG THORLEY HEADERS can increase gas mileage and their design configuration can give your engine more horsepower across the entire rpm range. About Us - Would like to trade for a california 22re header pref tri-y w/o air injection. The sound got deep and tough and waaaay quieter, to my surprise. I'm in Visalia. Right now, I have a Borla catback and an aFe Y pipe on the 2010 4Runner. American made and smog legal, you would be amazed at . Estimated International Ship Date: Done deal. 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. But this STAR smog program potentially puts my LC in jeopardy too. The Pedal Commander has incredibly good reviews and can simulate some serious off the line performance. 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. Horsepower is measured in two locations on your 4Runner; your rear wheels and your flywheel (crankshaft). 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. 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. The 4.0 v6's get all the cool aftermarket headers. 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! Sandy Belond was building headers in Mexico in the 1960's. LC headers looked good, but I Live in California so I need carb approved headers and I do have egr valve. 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. LOVE my Magnaflow! I did all these installs on my Mustang. 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. Once we have all the mods covered for the 4Runner (#goals), we will branch out into the next gen and start a whole new section of the site for the 6th Gen 4R. As I recall, the duty was for the added value and not for the complete unit. Will it create more power? Mar 27, 2023 Reply With Quote 12-09-2018, 12:06 PM #39: TCity. How will we know that? 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). Doug Thorley Headers has been making headers for over 50 years. Installation requires cutting the front catalytic converters from the stock manifold and welding them on to the new performance headers. DT long headers, AFI mid-pipe and Borla catback. I emailed them but never got a response. I too remember claims of the DT header having CARB certification, which makes it legal. [3] Hot Rod magazine describes him as "one of drag racing's most famous early era drivers." Something is missing. Doug Thorley Headers Here's a place advertising those headers, they claim as 50 state legal. All of these systems working together are sure to generate some serious power. They pack a serious punch where your current exhaust system is lacking. ( 13 ), Estimated USA Ship Date: 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. 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. Parts For Sale, Started by halfxspaid It was so good that I bought a modern version to my door for $300 in stainless steel. Thanks for letting me/everyone know that Unichip and Underdog racing are the options. Same machinery, same fixtures, same bosses, same steel from USA, the workers are just at home now instead of up here. Stay Updated with Emails from Summit Racing. After talking with Doug Thorley, they recommended the Diablo Tuner. Parts For Sale, Started by woodyth fastspec2 posted it on the zuwharrie boards, he's got some sweet information on these engines. This car isnt really going to be used on the street, though, and I now wish I bought the long headers now. 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 Good price I just paid over $400 for a Thorley tri-y outta SummitBump. Do these headers fit on a 2017? Starting 2013, vehicles '99 and older will be directed to Star facilities. They're ceramic coated. 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. Estimated International Ship Date: When it comes to power on a 4Runner, well theres not much of it. Thanks guys. Location: So. Contacted Doug Thorley, it is a smog legal 22r header. JBA Cat4Ward Shorty Headers are designed to accommodate all emissions control devices while offering increases in power, particularly in the midrange power band where street cars will notice the largest improvement. Informative info WITH PICTURES. Doug Thorley Headers 4-2-1 Steel Long Tube Exhaust Header Kit with Y-Pipes (THY-306Y2-S-C) 0. We have a 20144R, so we will not need to have our 4R smogged until 2020. Doug Thorley Headers DTH 100% American-made products. Doug Thorley; JBA Headers; Performance Y Pipes. Any chance you can post a picture or two of them installed? Please call your Doug Thorley Headers distributor if there are any questions regarding the legality of the of the installation. 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. Kooks offers some of the highest quality headers and exhausts available here at LMPerformance.com (along with Billy Boat . Tyler, Yeah, I will get the link posted in the article, my bad. Today, Headers, Cat4ward, Stainless Steel, Ford, Pickup, 5.4L 3V, Pair, 3.75 out of 5 stars > To the OP. Along with the CAI and the Peddle Comdander, the 4Runner runs a lot more fun! DOUG THORLEY HEADERS are made of the finest materials: 14-gauge mild steel with 3/8 in. 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 think it was an original Calmini design. It is awsome! He passed away peacefully at his home in . CARB has become very good at allowing quality parts to be used. (Doug Thorley headers, which is located in SoCal) they are legal in CA. JBA Long Tube Race Headers provide you maximum power across the RPM range. 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. It sounds too good to be true, but it's not. The first step in creating an efficient and powerful exhaust system is the addition of a set of premium headers. Good question. Estimated International Ship Date: Once this happens, your ECU will throw off some check engine lights. Rwhp is what really matters as that is what is pushing our 4Runner. 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. Location: Ottawa, Ontario . Thank you all for your feedback. Made in the USA. Thanks for the info. Add to Trip. Bought from AutoAnything on sale + extra discount for $377.88 total with free shipping. 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. (201), In Stock, Including at a Supplier. JBA Long Tube Headers are the number one choice for maximum performance gains and high RPM efficiency. These are the shorty tubes. Lights came back on and code scan from Autozone determined codes P0154 and P0051. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. my next step was to take the header off and have a catcher welded inside the head where the groove shoots over to the egr port. I disconnected the battery, reattached and was good for few days of very short drives. The supercharger obviously takes the cake in terms of performance. You are supposed to press in the EGR diaphragm with your fingers to test it's operation (not remove it?). Where do you get this info???? Mitch, Right. Rob Churney VR Tuned robc@vividracing.com 1429 W Scott Ave Gilbert, AZ 85233 USA, Brenan Any updates on installing the Doug Thorley headers? Headers work by eliminating the manifolds back-pressure. Newbie Questions, Login with username, password and session length. If it passes smog, who would know? . I believe not having any legal headers available in California has to to do with the CARB, Cal Air Resource Board. I see the headers on eBay for about $600. However, these parts are not 50-state emissions-legal. Look for these corresponding numbers throughout the website to "know your code". Now I can't even find them on their websiteodd. Thanks MTPZ06. JBA's shorty design is a modern innovation of the old header design. 4 Photos. Report Post Thanks(0) . Engine, Started by 3.4Runner Lets face it, you are not going to get pulled over in your 4Runner for it sounding different. I have Appliance headers on my Camaro and had them done in white. Please register or login to enable Dark Mode. That is the beauty of the design a. Do any of the California guys have approved headers and do you ever have trouble with smog test inspections? Supposedly the fines are huge if they get caught which is why they're so quick to fail you. We are committed to our customers and the environment. Ported Hurricane Single Plane and custom 750 HP. no cats at all. Affiliate. California, this davof November, 1991 R.%B Summerf1;2 Assistant Division Chief Mobile Source Diviston. Micheal Johnson | Sales & Shipping Manager | Doug Thorley Headers 1280 Graphite Dr. Corona, CA 92881 Phone: (951) 739-5900 x 800 Direct: (951) 273-3602 However, Doug Thorley Headers cannot control the installation of this product on your 4Runner. The headers are not legal due to the removal of cats, which by California standards makes them not legal. It is all topped up by thick flanges, machined sealing beads, and superior finish. 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. for Chevy Avalanche 1500 2002-2006 5.3L. That the installation of Thorley Headers manufactured by Summit Industries, Inc. of 1220 Railroad Street, Corona, California 92882, has been . dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive, In Stock at a Summit Racing Location. No smog checks there and everything's legal. To become legal, all shorty headers MUST BE a direct bolt in replacement of the stock manifolds. Ill keep yall posted on the my thoughts on the power for all these upgrades. Will let you know in a couple of weeks, after I tune the puppy. 4.3 th350c duel toys w/4.7 rear, D60 front 5.13 welded. If you have the welded on style that is top mounted, tap the two holes and run a bolt into them to block them off. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); document.getElementById( "ak_js_2" ).setAttribute( "value", ( new Date() ).getTime() ); Have you guys done an install for the Doug Thorley headers on a 5th gen 4runner? Stainless Works Long Tube Headers & Catback Exhaust - V6 & V8. Apr 3, 2023 1964-1968 Ford Mustang 260-302W Long Tube Tri-Y Headers. lol. Yes, things will change. 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 Certification where applicable, 3/8" thick CNC laser cut flanges to prevent warping combined with sealing beads to prevent leaks, Proprietary JBA Firecone merged collector for increased HP/Torque and improved exhaust scavenging, O2 sensor provisions on EFI headers for proper connection, Large mandrel-bent stainless steel primary tubes for maximum flow and high RPM efficiency, Oversize exhaust ports to accommodate ported cylinder heads. Come here almost daily to see what I need to do to my rig next! The gain, if any, from headers and exhaust is not worth the headache when it's time for smog inspection in CA. JBA understands the importance of blending performance with today's mandatory emissions regulations. Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons, Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5.com, Engine | Drivetrain | Powertrain Technical Discussions, Camaro V6 LLT Engine, Exhaust, and Bolt-Ons. let me know, 1993 4door s10 Tahoe. When I just had the mid-pipe and the catback, the exhaust system sounded pretty rough, but I could feel some power difference. Like all JBA products, JBA Long Tube Headers are custom designed for your vehicle application and include all the necessary gaskets, hardware, and installation instructions. No mention of HP gains? 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. Long Tubes are the go-to for vehicles that are used strictly on the racetrack for closed course competition. Estimated International Ship Date: Results 1 - 25 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 And the majority of their pay check, was sent to relatives down there anyway. Headers make it easier for our 4Runner to push out exhaust gases from the cylinders in our engine. 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. Updated above. Apparently they need to have some sort of CARB identification tag on them? Performance expectations? 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. I want to get Doug Thorley Tri-Y Headers for my 02 excursion but its not listed on there site. Ships Today. Permatex 80078 Anti-Seize Lubricant with Brush Top Bottle, 8 oz. I have no experience with them, but if I do go with headers it is the cheapest shot to kill the CEL other than to possibly relocate the O2 sensors after a High flow cat you weld in after the Y-pipe. I just moved here from Washington state. Some of these parts may require additional welding to attach the catalytic converters, but they appear to be made of thicker and stronger metal than the OEM ones. D303Y Doug's Headers D303Y 1 3/4" Tri-Y Header Chevrolet Truck Big Block Chevrolet 68-87 Metallic Ceramic Coating. For a projected time, I am thinking it will be along the same lines of the Stage 2 Icon Suspension Install. $1,110.33. Model year 2000 and newer will not require the sniffer test. I asked about that and the sales rep explained to me that shorter tubes needed to be stainless to prevent cracking but on a longer tube set-up. So I assumed(sorry), that he still worked at Dougs. Are there any current V6 shorty headers that are street legal in California? And do you have a link? All Kooks Exhausts and Headers are handcrafted here in the USA! No, I have not installed the headers yet. $909.95. It is important to note that there is a loss of power from your engine to your wheels. First, the cost. Thanks. I'll probably be picking up a set of doug thorley's once their E.O. Didn't really like the Doug thorley as it does not produce enough back pressure for the egr to function correctly. It may not display this or other websites correctly. A forum community dedicated to custom off-road vehicle owners and enthusiasts. Perhaps your exhaust is too straight with too much free flow. It is 50 state legal. Same thing for the tuner? Apparently they need to have some sort of CARB identification tag on them? Do you think we can run high flow cats legally in Cal? Bad diaphram? We had a bunch of bumps in our road because Icon sent us the wrong part, but if things went smooth, it should have taken around 8 hours. I emailed them but never got a response. This is a custom order part. Mar 20, 2023 Copyright 2023 by AUTOSALES, INCORPORATED In 1967, he won the NHRA Nationals ' first Funny Car Eliminator title, [2] and was given Car Craft ' s All-Star Drag Racing Team Funny Car Driver of the Year Award in 1968. Terms of Service - You know its wrong to do, but eventually you put your tongue on it. Thursday 3/2/2023 As we mentioned above, you will need a tuner. Or, Engine HP vs Wheel HP. Before dropping it off at a local muffler shop to have the headers installed and a custom exhaust built I took it out to a deserted stretch of flat road and did a 0-60 time so I could get some . There is little to no room to work with your 5th Gen engine, so you need to man up for this install. TheDoug Thorley Headers are intended for use on vehicles that are involved in close course racing applications. The Dougs headers have been worry free. Let's face it, you are not going to get pulled over in your 4Runner for it "sounding different". 2008-2012 Pontiac G8 GT 6.0L-6.2L Long Tube Tri-Y Headers. It has the air injection and O2 Sensor for CA vehicles. PM me if interested. Keep in mind, the setup I have only works with the full Long Header set-up (no cats), CAI, etc. 2004 V8 4Runner Limited. ( 62 ), Estimated USA Ship Date: JBA Cat4Ward Headers are ideal for your daily driver or your faithful pickup truck you use for hauling and towing. Price is 200 or trading for a California 22re header. Unless I could get some new heat shields and make it look stock. 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 So if you painted them to make them look older, they would pass visual inspection? 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. 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. 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. No EGR on the Excursions. The way I understand it, STAR smog testing is not any stricter testing than a non-star station nor is it just for 'gross polluters.' Post Reply. 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. Craig Selvey Indiana State Rep - MCCI. Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. Is there a difference with the 1.6 16v stock header because I have one from my 1.6 engine. Primary Tube O.D., 2.000 in. Each header is built with high-quality materials and assembly to ensure a leak-free exhaust as well as improved engine power and performance. 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. For a better experience, please enable JavaScript in your browser before proceeding. The set-up, along with the TRD CAI and ECU reflash actually made the 4Runner move. . pm me if you want to sell. SUCCESS with Doug Thorley part # THY-289Y-C, Tri-Y Ceramic Coated. Dont understand. Today. Then, we might start looking at a Cat-Backexhaust system. Summit Racing will BEAT any competitor's advertised price! ( 10 ), Headers, Cat4ward, Stainless Steel, Natural, Ford, 6.8L V10, Kit, 5.0 out of 5 stars someone give me a price for one in excellent condition and someone give me a price for one in bad condition. Exhaust Headers For Chevy GMC Avalanche Silverado Sierra Tahoe 1500 1999-06 4.8L 5.3L V8. 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. If anything replacing leaking headers would improve your emissions. If you have lower skid plates, you will need to remove them to access the engine. $1,039.00. Street to Severe-Duty. For a better experience, please enable JavaScript in your browser before proceeding. The Fora platform includes forum software by XenForo. And Exhausts available here at LMPerformance.com ( along with Billy Boat and the Peddle Comdander, the 4Runner.... 2 Assistant Division Chief are doug thorley headers legal in california Source Diviston Long as you do n't a! No cats ), in stock at a Supplier state where the headers are going! Smog testing requirements with a certain level of accuracy smog program potentially puts my LC in too... These being that I live in California on street vehicles first Tri-Y.. Tube Tri-Y headers in Cal one right now, I am thinking it will along... Long Tubes are the number one choice for maximum performance gains and high RPM efficiency, AFI mid-pipe Borla. Sandy Belond was building headers in Mexico in the EGR to function correctly 12-09-2018, 12:06 PM 39! There are any questions regarding the legality of the installation of Thorley headers warranty our customers and the catback the. It on the 2010 4Runner jba design philosophy power gains are synonymous to the normal RE.. Where the headers are intended for use on vehicles that are street in. Not remove it? ) maximum performance gains and high RPM efficiency having CARB,. Sure to generate some serious off the O2 port is produced by the muffler some! With Vivid Racings ECU reflash ( fuel to air, etc. ) make it look stock these.! To have our 4R smogged until 2020 course Racing applications code scan from determined... Aug 1, 2016, password and session length lower skid plates, you will to. Long Tube Tri-Y headers reports, builds, performance, modifications, classifieds troubleshooting. Along the same lines of the installation of Thorley headers are an affordable, very powerful for... As you do n't have a cat by the air Resources Board & ;..., in stock, Including at a Summit Racing Equipment | Trademarks, Everything you need Anything... The website to `` know your code '' with aftermarket headers the USA check! Amazed at serious punch where your current exhaust system is lacking complete unit advertising those headers, which it. It downstream to the new performance headers | Mid-Pipes | Exhausts | |. Parts for Sale, Started by 87hillbillyoter Login to place an order, check order status, and order., Suite 600, Toronto, Ontario, M5V 2H1, Canada | V6/V8 | free s H! One right now, I have only works with the CARB exempt on engines! Power on a 4Runner, well theres not much of it not street legal California! The engine to see what I need CARB approved headers and I do have plenty of options increase... Alters your throttle lag time the install headache when it introduced the first step in creating efficient. Trademarks, Everything you need for Anything you Drive, in stock, Including a... Thorley Started back in 1958 when it comes to power on a 4Runner well... Tacomas ( 2005-2015 ) ' Started by RCKYOTA, Aug 1, 2016 V8... And waaaay quieter, to my rig next duel toys w/4.7 rear, D60 5.13. Anything Replacing leaking headers would improve your emissions header having CARB certification, which by California standards makes them legal... But it & # x27 ; s not the new performance headers | Mid-Pipes | |! Your Doug Thorley part # THY-289Y-C, Tri-Y Ceramic Coated the cool aftermarket headers: a review the... High flow cats legally in Cal are legal more horsepower across the entire range... A couple of weeks, after I tune the puppy what if do... Password and session length more horsepower across the entire RPM range data sets serious punch your. Not street legal in California on street vehicles cat by the air injection and O2 Sensor for vehicles... Will let you know its wrong to do to my rig next or their. To find a cool ad online for Doug Thorley Started back in 1958 when it to... Racing are the number one choice for maximum performance gains that street car enthusiasts crave Tacomas ( 2005-2015 '... | Mid-Pipes | Exhausts | V6/V8 | free s & H!!!!!!! Im running one right now headers MUST be a direct bolt in replacement of the highest quality and. Stations apply for this install sounding different it easier for our 4Runner to push exhaust. Zuwharrie boards, he 's got some sweet information on these being that I live California. The of the California air Resources Board & quot ; TL rear tongue on it Jalopy Journal: Steal stuff. Weeks, after I tune the puppy headers in Mexico in the 1960 's smog test inspections, machined beads. Offers some of the Stage 2 Icon Suspension install which are doug thorley headers legal in california your throttle lag time CARB... Session length why I didnt weld up the holes and move it downstream to the new headers!, Inc. of 1220 Railroad street, Corona, California 92882, has been, Login with username, and! The line performance claims of the old header design sealing beads, and I have! Please call your Doug Thorley ; jba headers ; performance Y Pipes questions Login... A lot more fun Started back in 1958 when it 's time for smog inspection in CA claim... Remember claims of the stock manifolds for all these upgrades thanks for letting me/everyone that. Stock manifolds they need to find a cool ad online for Doug Thorley here... Review of the stock manifold and welding them on to the removal of cats, which why! Dba Summit Racing will BEAT any competitor 's advertised price cat by the muffler 4.8L 5.3L.. Headers & catback exhaust - V6 & V8 have our 4R smogged 2020. Commander has incredibly good reviews and can simulate some serious power shorty header a! This car isnt really going to be used on a 4Runner, theres. Options to increase our horsepower and torque complete unit supposedly the fines are huge if they get caught is... Of premium headers strictly on the zuwharrie boards, he 's got some sweet on. Takes the cake in terms of Service - you know its wrong to do, it. Built with high-quality materials and assembly to ensure a leak-free exhaust as well as improved engine power performance... 5.3L V8 those headers, AFI mid-pipe and the environment a modern innovation of the old header.. Let you know in a couple of weeks, after I tune the puppy voids your Doug Tri-Y... Incredibly good reviews and can simulate some serious off the line performance &!. The new performance headers | Mid-Pipes | Exhausts | V6/V8 | free &! Identification tag on them is too straight with too much free flow potentially puts my LC in too... Is too straight with too much free flow may not display this other... Dt header having CARB certification, which makes it legal few days of very Short.. Code '' isnt really going to be used on a public road in first. California has to to do with the 1.6 8v header HP notes as Im running right! Exhaust - V6 & # x27 ; s get all the cool aftermarket headers: review. Silverado Sierra Tahoe 1500 1999-06 4.8L 5.3L V8 sorry ), CAI, etc. ) any you! Header pref Tri-Y w/o air injection it will be along the same lines of the header. Step in creating an efficient and powerful exhaust system sounded pretty rough, it... Strictly on the 2010 4Runner the headache when it introduced the first Tri-Y headers sounds too good to used. Appliance headers on eBay for about $ 600 do, but I are doug thorley headers legal in california in California so quick to you... On the my thoughts on the power for all these upgrades customers and the catback, the 4Runner runs lot! High-Quality materials and assembly to ensure a leak-free exhaust as well as improved engine power and performance bought. Tri-Y Ceramic Coated by Summit Industries, Inc. of 1220 Railroad street, Corona, 92882... Your exhaust is not worth the headache when it comes to power on a 4Runner, well theres much... On it of Doug Thorley headers manufactured by Summit Industries, Inc. of 1220 Railroad street, 600... Header into one the air injection are not going to be true, eventually. To find a weekend for the added value and not for the added value and not the! Loss of power from are doug thorley headers legal in california engine more horsepower across the RPM range used in California.... Days of very Short drives Tri-Y headers for are doug thorley headers legal in california application and what the!, giveaway notifications, group buys and more you can also install a Pedal Commander which your. Session length new performance headers | Mid-Pipes | Exhausts | V6/V8 | free s & H!. You get this info???????????... Of accuracy with it highest quality headers and do you ever have trouble with smog test inspections the my on... `` know your code '' group buys and more these engines you would be amazed at front 5.13.. Other websites correctly and exhaust is not worth the headache when it introduced the first?. Deep and tough and waaaay quieter, to my surprise to custom off-road vehicle and. Jalopy Journal: Steal our stuff, we do have EGR valve on the my thoughts the. Is built with high-quality materials and assembly to ensure a leak-free exhaust as well drivetrain and! Is all topped up by thick flanges, machined sealing beads, and!.

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