being a 01, you'll want the cat test killed to, one more step needed got the 01 up guys.

anding headers actually made my car feel slower, you loose 2 to 3 psi boost, but thats whats killing off your stock kr. then you can add a 3.4 and a tune. now that will make a difference over stock. its not corvette fast, but just fast enough to make you happy over stock.