Yoshimura Offroad RS-4 94DB Carbon Fiber Full System Exhaust for 2009-2014 Kawasaki KX450F
Developed in conjunction with AMA pro Supercross/Motocross Teams, this evolutionary exhaust system combines power, light weight, and centralized mass to give you the confidence to dominate the race track.
The RS-4 is a unique design with predicated power, a side benefit of a quiet earthy exhaust note that speaks volumes for performance and offers increased horsepower and torque.
Country Of Origin: Imported
It features a polyresonant duplex chamber.
A 2-staged stepped baffle and an innovative carbon cone end-cap.