Yoshimura

231000D320

Yoshimura RS-4 Comp-Series Full System - Aluminum Muffler , Color: Aluminum, Material: Aluminum 231000D320

Complete Systems

The RS-4 not only increases power and is light, but it also has a lower centralized mass coefficient to provide better handling.
The RS-4 is pentagonal shaped muffler that features a carbon fiber cone end cap, two staged stepped baffle and striking good looks. A tapered header pipe design is used for optimal flow and performance. The RS-4 muffler features a new front cap design that functions as a polyresonant chamber. This design makes for a quieter muffler with improved mid to top end power.
Stainless Systems come with a USFS approved Spark Arrested insert installed in the muffler.
This Full System comes with a stainless steel header and mid-pipe, aluminum muffler sleeve, installation hardware, and detailed instructions to get you moving!

Color: Aluminum
Material: Aluminum

The RS-4 not only increases power and is light, but it also has a lower centralized mass coefficient to provide better handling.
The RS-4 is pentagonal shaped muffler that features a carbon fiber cone end cap, two staged stepped baffle and striking good looks. A tapered header pipe design is used for optimal flow and performance. The RS-4 muffler features a new front cap design that functions as a polyresonant chamber. This design makes for a quieter muffler with improved mid to top end power.
Stainless Systems come with a USFS approved Spark Arrested insert installed in the muffler.
This Full System comes with a stainless steel header and mid-pipe, aluminum muffler sleeve, installation hardware, and detailed instructions to get you moving!

This Item Fits the Following Applications:
2007-2013 Yamaha YZ250F


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