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YOSHIMURA YAMAHA YZF / WRF / YZFX 450 2018-2020 RS-4 TITANIUM FULL EXHAUST SYSTEM

YOSHIMURA YAMAHA YZF / WRF / YZFX 450 2018-2020 RS-4 TITANIUM FULL EXHAUST SYSTEM

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For 2018 Yamaha made some major refinements to the already potent YZ450F. Adding to the usable and tractable power is how we make the 2018 YZ450F even better. Now there can be more power to rip holeshots, yet making the bike user friendly at the end of the moto when your right hand gets a little frisky.

The new Yoshimura RS-4 Signature Series full system adds 2.8% more h.p. and 1.4 ft-lb. more torque to give the rider better, more linear throttle response.

FEATURES

  • Designed for the 2018 Yamaha YZ450F with major refinements to enhance performance.
  • Improves usable and tractable power for better control and responsiveness.
  • Yoshimura RS-4 Signature Series full system adds 2.8% more horsepower.
  • Delivers 1.4 ft-lb. more torque for stronger pull and acceleration.
  • Provides better, more linear throttle response across the rev range.
  • Helps riders achieve faster holeshots and smoother power delivery throughout the moto.
  • Maintains a user-friendly feel even during longer, demanding rides.