Yoshimura RS-4 SS Full Exhaust Kawasaki KX250F 17-20 | 242930D320 CBR1000RR Husqvarna FE 350S 2019-2022

Husqvarna FE 350S 2019-2022

KTM 450 EXC-F Six Days 2022KTM 500 EXC-F 2017+

The  Factory Edition # 2 rear guide has a  Replaceable wear pad  making the guide  very cost effective for easy long term use

HONDA (05-07) CR  125 R & 250 R  2 stroke

Easy bolt-on power

Yoshimura RS-4 SS Full Exhaust Kawasaki KX250F 17-20 | 242930D320 CBR1000RR Husqvarna FE 350S 2019-2022Fitment Kawasaki KX250F 2017 2020 The work that went into developing the RS 4 muffler has paid big dividends in Off road Racing; winning multiple Supercross and Motocross titles since it's inception. We've developed the current generation RS 4 based on that research & development, and the result is a unique design that provides an unrivaled combination of power and quiet exhaust tone. The RS 4 features a Polyresonant duplex chamber and two staged