Description
Yoshimura RS 4 Full Exhaust System (Stainless Alu Carbon Cap) Kawasaki KXF250 17 20 Sutro Boyesen engineers specifically tune the Boyesen engineers specifically tune the carbon matrix tension using a proprietary weave formula and special layup techniques that optimize each Rad Valve Reed to work in unision with the engine unique intake pressure pulses for each make model year machine you can be assured you'll never get "generic" carbon fibreKit includes enough petals and bars for 1 valve