Best Exhaust System for 89' TII
a new cat-back will offer almost no hp gains. Anything else, even a high flow cat, will increase power. Run pipes from the turbo to the cat-back, that'll give you lotsa power. You'll need and FCD and such though.
actually racing beat states on their site that they dyno-ed it and got like 7 horses out of it. I would imagine if someone is spending 7 bills on a exhaust, they are going to do more then just get a cat back. With downpipe, presilencer, and turbo cat back RB dynoed 59 horses increase I believe. I've also been told that the stock canisters have very narrow tips, hence exhaust can't escape as quickly.
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bah I used to be a hardcore dual guy, but I like the single look just as much if not better now. No use in splitting up the exhuast gasses if they are already coming down one pipe. But I don't want another 20 page dual vs singld thread....
Really I would just get the RB 3.15'' DP and then have custom made 3'' single all the way back into your choice of muffler.

Really I would just get the RB 3.15'' DP and then have custom made 3'' single all the way back into your choice of muffler.
Thanks for the help and stuff guys.... RIght now im in the process of putting a new front bumper on and hood. I plan to buy an exhaust system in a couple months. Again thanks a lot guys!!!
-Calvin
-Calvin
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82streetracer
1st Generation Specific (1979-1985)
7
Aug 23, 2015 09:28 AM



....i wouldnt mind paying anohter 40 bucks or so for duals
