Yoshimura RS4 – Honda CRF 450 2009-12 – Stainless Exhaust System (New Style)

Yoshimura RS4 – Honda CRF 450 2009-12 – Stainless Exhaust System (New Style)

Product Description

Yoshimura has been the official exhaust supplier to Team Honda Red Bull Racing for several years now. All of that experience has helped Yoshimura in making an exhaust that compliments an already great bike. The RS-4 not only increases power and is light, but it also has a lower centralized mass coefficient to provide better handling. Additionally, an overall improvement to the big Honda’s power delivery was also realized.

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 poly-resonant chamber. This design makes for a quieter muffler with improved mid to top end power.

An AMA-approved sound insert comes installed in the muffler, along with a 2 meter-Max insert in the box.

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