Cats and exhaust for turbo TA's
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Supreme Member
Joined: Sep 2003
Posts: 1,209
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From: Wahiawa, Hawai'i
Car: 1989 TTA
Engine: LC2
Transmission: Worn-out 200R4
Axle/Gears: BW 9-bolt, 3.27's
Cats and exhaust for turbo TA's
The old owners of the TTA I just bought warned me that the catalytic convertor is on the way out, and they seemed to think it coud be causing excessive backpressure, which isn't a good thing. Is there a test I could do to determine if I have excessive backpressure? They recently rebuilt the turbo, so I'm doubtful that's the problem.
Junior Member
Joined: Dec 2003
Posts: 26
Likes: 0
From: Hershey PA
Car: 1989 Turbo Trans Am
Engine: 3.8L Turbo V6
Transmission: 2004r
I would suggest guting it if you don't have smog laws to comply with. If you do I would look into buying a hi flow unit from (ramdom technology) for example. Just an opinion of course. Also consider just going with the THDP and cat combo. Good Luck
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