RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and others
If the stinger is bigger you will lose top end on your motor. That's why I didn't like the vantage carbon fiber pipe, the stinger was too big. I think it was only good for drag racing with a ported engine. But if you get a small stinger it will work good with your engine because these engines work on high rpm's. On a on road race or bash you hardly idle then launch.