when I dumped my exhuast after the cat, it felt less powerful over when it had the stock exhuast. So I think the LT4 KM is a good thing to have, just incase.
~Cory Magner "My name is Cory, and I'm an addict."
95 DCM Buick RMS. 14.21 at 91.79 "Jesus", Scattered Rods at 85k
95 DCM Buick RMS 13.52 at 99.12 Buffman's car, Fried Ring at 180k
And 7 other LT1 B-body's... Is there Rehab for this Sh*t?