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Offroad RS-4 Stainless Slip-Ons with 94db spark arrestor
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Offroad RS-4 Stainless Slip-Ons with 94db spark arrestor

Yoshimura

Sorry...this product is no longer available.

Product Description

  • 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. It features a polyresonant duplex chamber, a 2-staged stepped baffle and an innovative carbon cone end-cap.
  • California law generally prohibits the sale and installation of aftermarket exhaust products UNLESS such products are installed on vehicles that did not come originally equipped with catalytic converters or are used only for racing and are never used upon a California highway.

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