Yoshimura

Yoshimura RS-4 Full System Exhaust - 123410D520

Item: #857734 | Part Number: 123410D520
$1,468.99
Out of Stock

For closed course competition ONLY; Not intended for street use.

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Total
$1,468.99
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Description

Stainless Steel Muffler / Carbon Fiber End Cap While the RS-4 Exhaust was debuted as Yoshimura's premier exhaust for off-road racing applications, R&D couldn't stop there. They have mated this sophisticated and stylish muffler to compliment the styling of the new bike. The RS-4 is pentagonal shaped muffler that features...

Image of : Yoshimura RS-4 Full System Exhaust - 123410D520 Yoshimura RS-4 Full System Exhaust - 123410D520 Item # 857734

Description

Stainless Steel Muffler / Carbon Fiber End Cap

While the RS-4 Exhaust was debuted as Yoshimura's premier exhaust for off-road racing applications, R&D couldn't stop there. They have mated this sophisticated and stylish muffler to compliment the styling of the new bike. The RS-4 is pentagonal shaped muffler that features a carbon fiber cone end cap, two staged stepped baffle and striking good looks. The RS-4 muffler features a new front cap design that functions as a polyresonant chamber. thus creating a more quiet muffler with improved mid to top end power.

Along with improving sound and power, this system moves the muffler weight lower and closer to the bike for improved handling and weight distribution. Yoshimura continues to provide the best in performance exhaust systems.

Features:

  • Pentagonal-shaped sleeve
  • Front muffler cap functions as a polyresonant chamber which helps reduce noise
  • Two-stage stepped baffle
  • Carbon fiber end-cap
  • Stainless steel headers and mid-pipe (applicable models)
  • USFS Approved spark arrestor available separately

Exhaust Race Series If you're looking for that competitive edge, look no further than Yoshimura 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.
FOR CLOSED COURSE COMPETITION ONLY; NOT INTENDED FOR STREET USE

Part Numbers for Yoshimura RS-4 Full System Exhaust - 123410D520

Fitment for Parts Yoshimura RS-4 Full System Exhaust - 123410D520

This part fits the following vehicles:

Honda

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Reviews

Rated 5 out of 5 by from Yoshimura is the best!!! Best Exhaust you can buy for the CRF300L. I had the Black Widow first but was too loud at speed. This system installed easy has a great flow and is high quality and easy to install. A±
Date published: 2025-04-21
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Yoshimura RS-4 Full System Exhaust - 123410D520
Total:
$1,468.99