Originally Posted by chrs1313

i ran 11.72 at 115mph when i still had stock cats, manifolds, and y pipe going through a cutout...after my qtps the times dropped to 11.55 at 116mph...same DA conditions...so again around 15rwhp at max...unless of course your tune is off or you decide to run in better conditions (DA) and not record it...plus kooks are around $800...not the best mod considering you can get about 20-25 rwhp from a ram air setup for around $60...

Originally Posted by Blk_Ws6

Chris were on the same page bro.