YOSHIMURA RACE RS-4S STAINLESS FULL EXHAUST w/ STAINLESS MUFFLER - HONDA CRF300L / RALLY (2021-2025)

We stepped up to the plate and developed our RS-4 Full System for the all-new Honda CRF300L and Rally edition, 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. Also available is our USFS approved spark arrestor for those riders wishing to take to the trails in the great outdoors. Part # SA-13-K-1 (SOLD SEPARTELY)

Proudly made in the USA!

• Pentagonal-shaped sleeve
• Front muffler cap functions as a poly resonant 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.

FITMENT:

INSTRUCTIONS/WHATS INCLUDED PRF SHEET