Originally Posted by zx3_bmxrider
Would the flex pipe work for my zx3? This might be a stupid question, but would it increase my performance at all? I have a catback exhaust system already and was wondering if it would help at all. If so I will take it. Shipping to 40055. I am also thinking about the shift knob at the moment but I will let you know if I make up my mind.
Flex is for someone with header allready. They can rust out and break so it's nice to have a backup.