264612D320 YOSHIMURA PIPE RS-4 SLIP-ON KTM 450SX-F '15-'18

The Yoshimura RS-4 Slip-on Exhaust System is designed for the KTM 450SX-F models from 2015 to 2018, offering riders an outstanding blend of power, sound, and aesthetics. This exhaust system is crafted to enhance performance by increasing peak horsepower and torque, while also delivering a deeper, more aggressive exhaust note.

The RS-4 slip-on is constructed with a pentagonal-shaped aluminum sleeve and a carbon fiber end-cap, maximizing internal volume for superior sound and performance. Its poly-resonant duplex front chamber and stepped, two-stage core baffle contribute to its unique sound signature. With a lightweight design, this slip-on provides improved acceleration and throttle response.

• Pentagonal-shaped aluminum sleeve
• Carbon Fiber end-cap
• Poly-resonant duplex front chamber
• Stepped, two-stage core baffle
• Optional spark arrestor available separately
• Made in the U.S.A.