Quote Originally Posted by UR LOSN View Post
I had one on my GTP when it was mostly stock, didnt feel any difference..had a lot of topend though...which was wierd.
hmm thats wierd, the other day i was on the highway and i opened her up full throttle. When it hit around 118 the rpm were kind going back and fourth around 4k but it was still getting more speed i dont kno wat tht was all about, ill have to try it again and see if its ok.