These are two strokes, and two strokes of any size will benefit from a good aftermarket exhaust...some exhausts will help more than others, regardless of brand, and all of them work different on different engines, i.e. you may see a performance gain with an Associated torque tuned pipe on our VX18, but you might not on our Team Infinity .18.

Welcome to a very addictive and expensive hobby, ktm pretty soon you'll have no nosehairs and bloodshot eyes from all the nitro fumes