Improve the performance and breathing of your Turbo 4.9 Trans Am or Formula with our 2.5" mandrel bent, turbo down pipe.
(Note: Welding required. Professional installation recommended.)
"I just installed Joe's 2.5" downpipe on my Turbo Trans Am. The exhaust shop said they were very impressed with the kit. Everything fit better than the factory set up. Install was a breeze, and took only about an hour. My car no longer sounds like a toaster oven, but a real musclecar! The difference in power was night and day! I no longer dream of swapping in a 455. I highly recommend this kit, and all the parts from TTA Performance just plain work!!!"
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1981 Recaro TTA with 2.5" down pipe, cat delete, muffler delete and 3" Pypes tail pipes and splitter tips.
TTA PERFORMANCE LLC
Specializing in 1980-1981 Turbocharged 4.9 (301) Pontiac Trans Ams and Firebird Formulas.
2.5" Mandrel Bent Turbo Down Pipe Kit