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Yoshimura RS-4 Signature Exhaust System 244711D220

  • Delivers huge power at a very light weight
  • Offers better handling thanks to a lower centralized mass coefficient
  • Uniquely-styled pentagonal muffler body with cone end cap
  • Front cap design functions as a polyresonant chamber to lower dB output while improving mid- to top-end power
  • Two-staged, stepped baffle
  • Tapered headpipe delivers optimal flow and performance
  • Pro Series features titanium header construction; Competition Series features stainless steel header construction
  • Pro Series mufflers include non-spark-arrested 99 dB motocross insert (unless noted)
  • Mufflers available with glossy carbon fiber, satin titanium or brushed aluminum sleeve
  • Systems come with 96 dB insert installed (meets AMA competition requirements), 2 meter Max insert in the box
  • Not Available
    Was: $995.00
    Sale: $895.50
    Save: 10%
    Save: $99.50


    Product Series


    • 244711D220
    • 244711D220
    • Yoshimura
    • Temporarily Not Available
    • New


    Shipping Information

    • Item Requires Shipping
    • 10.8 lbs.
    • Free Lower 48 Shipping over $75!

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