RS-4 Comp Series Complete Exhaust With Stainless Header

• Product Details

  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. The RS-4 features all the benefits of the original RS-4 muffler, but with a unique turned-out end-cap, designed to direct exhaust heat and gases away from the bike's components. It features a polyresonant duplex chamber, a two-staged stepped baffle and an innovative carbon cone end-cap.

  • Pentagonal-shaped muffler sleeve and aluminum mount bracket.
  • Features a polyresonant duplex chamber, a two-staged stepped baffle, and an innovative carbon cone end-cap.
  • Durable high-grade stainless steel tapered header and mid-pipe.
  • Considerable weight reduction.
  • Carbon fiber end-cap comes with a U.S.F.S.-approved Spark Arrested insert installed in the muffler (most models, see notes).
  • Step-by-step directions and all necessary hardware included for an easy installation.

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• Q&A

• Fitment

• # Part Numbers

  Product Variant	Manufacturer Part #
  Race / Stainless Steel	123410D520
  Signature / Aluminum	262500D321
  Signature / Aluminum With Carbon Fiber End Cap	262510D320, 264600D320, 231020D320

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