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Yoshimura RS-4S Stainless/Aluminum Slip-On

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  • "Customer service is priority #1 at Rocky Mountain ATV/MC. We value our customers and strive to be the best shopping experience- when you buy from us, you are buying lifetime service."

    -Dan Thomas, CEO and Founder

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    We will stand behind all products we sell with regards to manufacturing defects in workmanship and material. Most products are limited to the manufacturer's warranty. However, we will do everything in our power to take care of the problem.

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    Email:sales@rockymountainatv.com
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    The RS-4S is a unique design with predicated power and a quiet earthy exhaust note that speaks volumes for performance. The RS-4S features all the benefits of our Yoshimura's RS-4 muffler, but with a unique feature in the end-cap. The RS-4S has a turned-out end-cap, designed to direct exhaust heat and gases away from the bike's components. With all its benefits in mind, the RS-4S was an obvious choice for your new bike.
  • Slip-On includes an RS-4S muffler, stainless steel tail-pipe, USFS approved spark arrester, all installation hardware, and step-by-step instructions.
  • Features a turned-out end-cap, designed to direct exhaust heat and gases away from the bike's components.
  • Silencer comes with a 96db sound insert/USFS approved spark arrestor installed in the muffler.
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