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Honda CRF300L > Yoshimura RS-4 Full Exhaust System|
Yoshimura is proud to introduce the RS-4 full exhaust system for 2021+ Honda CRF300L and Rally dual-sport motorcycles. Yoshi stepped up to the plate and developed the RS-4 Full System for the all-new Honda CRF300L and Rally edition, and the results were fantastic! The full system gives the new CRF 5.9% max HP while improving the power across the entire spectrum enabling the 286cc engine to optimize performance while saving significant weight. The sound of the RS-4 is unmistakable, on idle and under load the exhaust note is music to ones ears. Proudly made in the USA!
NOTE: A USFS approved spark arrestor is available direct from Yoshimura for those riders wishing to take to the trails in the great outdoors. Part # SA-13-K-1
Fitment: 2021+ Honda CRF300L and CRF300L Rally
Front muffler cap functions as a polyresonant chamber which helps reduce noise
Two-stage stepped baffle
Turn-out carbon fiber end-cap
Stainless steel header and tail-pipe
RS-4 Stainless Full System weight 9.5lbs vs Stock full system weight 12.3lbs.
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
** IN STOCK - Usually leaves warehouse in 1-2 business days.
NOTE: We cannot ship this product to California, Alaska, Hawaii or Canada. If you are from any of these locations and order one, it will have to be removed from the order.
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