WebDoug Thorley Tri-Y Headers. Thorley headers are designed to outflow your stock exhaust manifolds. They are designed with an emphasis on maximum low and mid range torque, while making ample horsepower … Doug Thorley was an American Funny Car drag racer, hot rodder and businessman. In 1967, he won the NHRA Nationals' first Funny Car Eliminator title, and was given Car Craft's All-Star Drag Racing Team Funny Car Driver of the Year Award in 1968. Hot Rod magazine describes him as "one of drag racing's most famous early era drivers."
Doug Thorley Tri-Y Headers THY-375Y-C - Summit …
WebMar 2, 2024 · Doug Thorley headers are likely my “big budget project” this year. Looking at the short tube so I can cover my ass for emissions compliance more easily. Thinking about parts from front to back: - headers (dt short tubes) - cats welded to headers - y pipe to rear of cats (looking at urd) - cat-back exhaust (looking into magnaflow overland) WebJun 6, 2024 · Doug Thorley warranty excludes rusting "stainless steel" headers caused by weather. Then, what the hell else causes rust other than weather? Maybe you should tell them it was the carwash that rusted their headers. Crap product from a crap company. All the Doug Thorley apologists seem to be late to this thread for some reason. buyers catalog vehicular lighting
BUYER BEWARE! One year review of my Doug Thorley Headers.
WebFind many great new & used options and get the best deals for 1976 Doug Thorley StreetTubes Side Pipe Exhaust Systems Babes US Flag Print AD at the best online prices at eBay! Free shipping for many products! WebThy 515 Ls C Doug Thorley Headers Thy 515 Ls C 3 Into 1 Header. ️ Free Express Shipping ️. Brand New. $796.26. Top Rated Plus. WebOct 31, 2024 · Doug Thorley starts with a 3/8-inch thick header flange and attaches four 1-7/8-inch 14-gauge primary tubes. These four tubes neck down into two and then connect to the 3-inch collector creating the 4:2:1 Tri-Y design. With everything out of the box, it was time to see if the Tri-Y’s w fit would between the frame rails of the ‘Burb. cell phone wallet blue