CRF250L / Rally Yoshimura RS-4 Full Exhaust System

CRF250L / Rally Yoshimura RS-4 Full Exhaust System

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CRF250L Yoshimura RS-4 Full Exhaust at Revzilla

CRF250L Yoshimura RS-4 Slip-On Muffler at Revzilla

CRF250L FMF Q4 Slip-On Muffler at Revzilla

CRF250L FMF PowerCore4 Slip-On Muffler at Revzilla

CRF250L FMF PowerBomb Header at Revzilla

CRF250L FMF MegaBomb Header at Revzilla

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Home > Dual Sport > Honda CRF250L Rally Parts > Yoshimura RS-4 Full Exhaust System

Everything you need to unleash the full potential of your Honda CRF250L or CRF250L Rally! The Yoshimura RS-4 Muffler is a unique design with predicated power and a quiet earthy exhaust note that speaks volumes for performance. This RS-4 features all the benefits of Yoshi's original RS-4 muffler, but with a unique turned-out end-cap, designed to direct exhaust heat and gases away from the bike's components. To top-it-off, they embossed the Yoshimura "347" logo in the carbon for a clean look. A heat-shield was also added to the poly-resonant chamber to keep rider and passenger legs from exhaust heat. With all its benefits in mind, the RS-4 was an obvious choice for the CRF250L.

Fitment: 2017+ Honda CRF250L and Rally

Weight Savings:
CRF250L Stock Muffler w/ Heat Shield: 13.50 lbs
CRF250L Stock Header w/ Heat Shield: 3.12 lbs
CRF250L Stock FULL SYSTEM: 16.62 lbs

CRF250L Yoshimura RS-4 Muffler w/ Heat Shield: 7.80 lbs
CRF250L Yoshimura RS-4 Header: 1.46 lbs
CRF250L Yoshimura RS-4 FULL SYSTEM: 9.26 lbs

TOTAL WEIGHT SAVINGS: 7.36 lbs

PACKAGE INCLUDES THE FOLLOWING...

Yoshimura RS-4 Muffler with turned-out end cap

Yoshimura Stainless Steel Mid-Pipe

Yoshimura Stainless Steel Header

Yoshimura RS-4 Low volume insert

All installation hardware

Step-by-step instructions

Yoshimura Part #123400D520 (2017+ CRF250L / Rally)

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