Post by
joe603 »
https://forums.nicoclub.com/joe603-u34652.html
Fri Jun 22, 2007 6:02 am
Get the PopCharger/Z-tube combo first. It has the most noticeable gains....plus the sound is awesome!
If you want to save money, get the JWT version. The Stillen is the same thing with a nicer looking heat shield.