In Reply to: Benefits from Exhaust Systems? Need more Power! posted by Q-Bert on March 12, 1999 at 19:07:50:
I am not a big believer in aftermarket exhaust power unless it is dyno tested. I got an HKS courtesy of my brother and the car still feels the same as it did with the stock one, just more growl.
However, if I where to spend the money, dyno graphs tend to sway my opinion. If you find a dyno tested unit, buy it, otherwise spend the money on getting some lightweight doors or something. It will be more worth it IMHO.