99t1
Enthusiast
April 01 ran 410 hp bone stock 2k miles on 01 ACR.
September 01 ran 411 hp with Borla cat back and straight pipes. This car is down on power. Apparently I should be @420. Could straight pipes coming from the Borlas be giving "to little" back pressure causing no gain over the stock exhause system? I thought the Borla system was good for @ 9-12hp???
what's up?
September 01 ran 411 hp with Borla cat back and straight pipes. This car is down on power. Apparently I should be @420. Could straight pipes coming from the Borlas be giving "to little" back pressure causing no gain over the stock exhause system? I thought the Borla system was good for @ 9-12hp???
what's up?