Yoshimura RS-2 Race Series Slip-On Exhaust Kawasaki KLX250S / SF / KLX 300 / SM 2009-2025

Yoshimura RS-2 Race Series Slip-On Exhaust Kawasaki KLX 250S / KLX250SF / KLX300 / KLX300SM

The Kawasaki KLX300S/SM has become a favorite among riders looking to tear up the track and explore trails, thanks to its installed spark arrestor. Enhance the performance of this supermoto with the Yoshimura RS-2 slip-on, which boosts the 292cc engine with an 8% increase in horsepower and a 9% increase in torque. This slip-on also shaves off 2.8 pounds from the stock muffler and features an O2 sensor bung for seamless integration with the KLX’s fuel injection system. With added power, torque, and the signature Yoshimura exhaust note, your KLX300S/SM will deliver even more thrilling rides. Plus, the RS-2 slip-on is compatible with the dual sport KLX250, offering similar performance benefits.

Features:

• Yoshimura Race Series muffler
• CNC Machined mounting bracket
• Diamond-shaped canister sleeve
• Large core and increased muffler packing volume means quieter operation
• O2 sensor bung for use with OEM O2 sensor
• O2 sensor plug included for use without O2 sensor
• USFS approved spark arrestor SA-06-K included
  • INS-08-K volume insert (quieter) and SA-02-K (quietest) available separately
• Exhaust gasket and spring puller tool included
• Sound (insert removed):
  • 2000 rpm
    • Stock: 74.1dB
    • RS-2: 92.1dB
  • 5000 rpm 
    • Stock: 82.7dB
    • RS-2:101.3 dB
• 2.8lbs lighter than stock
• 100% Made in the USA