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Yoshimura CRF300L/Rally 21-25 Race RS-4S Stainless Full Exhaust, w/ Stainless Muffler, image 1

Yoshimura

Yoshimura CRF300L/Rally 21-25 Race RS-4S Stainless Full Exhaust, w/ Stainless Muffler

Exhaust - 4 StrokeSKU YO-123410D520

Cheapest we found

$1,217.95

at XPERT Moto Gear

$1,217.95 lowest$1,425.95 highest

5 recent in-stock prices · spread $208.00 (17%)

Based only on in-stock prices checked in the last 30 days. 6 stores checked; dates for every store are shown below.

Recorded store prices

Prices we recorded when we last checked each store for this exact variant.

Product details

One of the fastest growing segments of the motorcycle market is the Dual Sport segment and we love the smaller bore dual sport bikes as they are an entry level to get more riders into the sport. 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 Proudly made in the USA! • 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 header and tail-pipe • RS-4 Stainless Full System weight 9.5lbs vs Stock full system weight 12.3lbs. FOR CLOSED COURSE COMPETITION ONLY; NOT INTENDED FOR STREET USE If you're looking for that competitive edge, look no further than our Race Series. These exhaust systems are designed with nothing but power in mind. Each Race Series system is developed in accordance with noise compliance regulations imposed by most racing sanctioning bodies worldwide. This product was designed to fit on a standard equipped motorcycle, as delivered from the factory. OE and aftermarket accessories not found on a bike as delivered from the factory may not be compatible with this product. Attention international customers: This product was designed and tested to be compatible with vehicles in the U.S. marketplace only. Compatibility, including fitment and performance, may vary by marketplace.

Price history

Recorded changes for this exact variant.

Step chart of dated store-price observations. Solid lines show confirmed crawl coverage, dashed lines show overdue missed-check spans, and every line stops at the last confirmed price.

  1. 1XPERT Moto Gear6 points · last checked 23 Aug 2026
  2. 2Superbike Supply3 points · last checked 21 Aug 2026
  3. 3Bikebiz2 points · last checked 23 Aug 2026
  4. 4MotoHeaven4 points · last checked 23 Aug 2026
  5. 5Motorcycle Stuff Australia1 point · last checked 23 Aug 2026
  6. 6Highside Shop1 point · last checked 8 Aug 2026

Solid steps show periods confirmed by the store’s change-only price history and completed crawl record: if the price had changed at a check, another point would appear. Dashed steps show overdue periods with no completed crawl confirmation. Every line stops at that listing’s last confirmed check and is never extended to today. Prices are not live and may have changed since the last point shown.

How we collect and compare prices
Cheapest we found: $1,217.95 · XPERT Moto GearJump to comparison