Quote Originally Posted by 2010REDROCKET View Post
I've never had the car dyno'd, so I can't say how much power I might have gained, but with my tune, intake and exhaust done, I can definitely say acceleration and throttle response is vastly improved. My car could barely do 90 before everything, and now it tops out around 125. I never have any issues keeping up with traffic, passing at higher speeds. My gas mileage is slightly better even with the slight performance increase, and my shifts even feel smoother (autotragic transmission) its really just an all around much better car now.
i have a first gen and have tried 87 89 and 91 didnt notice anything 91 gave me slightly better highway milage but wasnt worth it and my car tops out at 121 its scary and needs a lot of room but doing 80-100 isnt a problem