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Yoshimura RS-4 Exhaust features:
The RS-4 is pentagonal shaped muffler that features a carbon fiber cone end cap, two staged stepped baffle and striking good looks. The RS-4 muffler features a new front cap design that functions as a poly-resonant chamber. This design makes for a quieter muffler with improved mid to top end power
This Slip-On system features a stainless steel tail pipe, aluminum sleeve RS-4 muffler, installation hardware, and detail step-by-step instructions.
Stainless Systems come with a USFS approved Spark Arrested insert installed in the muffler.