CRF300L / Rally Yoshimura RS-4 Slip-On Muffler
CRF300L / Rally Yoshimura RS-4 Slip-On Muffler
CRF300L / Rally Yoshimura RS-4 Slip-On Muffler
Home > Dual Sport > Honda CRF300L > Yoshimura RS-4 Slip-On Muffler

Yoshimura is proud to introduce their RS-4 slip-on muffler (full system available HERE) for 2021+ Honda CRF300L and Rally dual-sport motorcycles. Yoshi stepped up to the plate and developed the RS-4 muffler for the all-new Honda CRF300L and Rally edition, and the results were fantastic! Their slip-on provides 14.2% more max power on the bottom end of the spectrum paired with equal top end power as the stock unit. The sound of the RS-4 is unmistakable, on idle and under load the exhaust note is music to ones ears. Also available is a USFS approved spark arrestor for those riders wishing to take to the trails in the great outdoors. Part # SA-13-K-1

Proudly made in the USA!

Fitment: 2021+ Honda CRF300L and CRF300L Rally

  • Pentagonal-shaped sleeve
  • Front muffler cap functions as a polyresonant chamber which helps reduce noise
  • Two-stage stepped baffle
  • Turn-out carbon fiber end-cap
  • Stainless steel tail-pipe
  • RS-4 Stainless Slip-on weight 7.6lbs vs Stock muffler weight 10.0lbs.
  • Optional spark arrrester available

    When installing an aftermarket exhaust on your CRF300L, we also recommend some sort of aftermarket Electronic Fuel Injection (EFI) controller that will allow proper tuning of the bike for the aftermarket exhaust system. If you don't tune the bike, you will not see the full potential of your new aftermarket exhaust. Plus, it may cause the bike to run poorly, and could also run hot, which is not good for the bike/exhaust over time. We currently offer the following tuning products for the CRF300L / Rally (click links below):
  • JD Jetting EFI Controller for Honda CRF300L
  • EJK EFI Controller for Honda CRF300L

  • ** ON BACKORDER - This item currently out of stock, but we might have the Yoshimura RS-4 Full Exhaust System in stock.

    CRF300L / Rally Yoshimura RS-4 Slip-On Muffler
    123412D520Retail Price: $549.00Our Price: $549.00

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