Description
- Delivers huge power at a very light weight
- Offers better handling thanks to a lower centralized mass coefficient
- Uniquely-styled pentagonal muffler body with a carbon fiber cone end cap
- Front cap design functions as a polyresonant chamber to lower dB output while improving mid- to top-end power
- Two-staged, stepped baffle
- Tapered headpipe delivers optimal flow and performance
- Titanium systems include non-spark-arrested 99 dB motocross insert (unless noted)
- Mufflers available with satin titanium or brushed aluminum sleeve
- Stainless systems come with 94 dB insert installed (meets AMA competition requirements), 2 meter Max insert in the box
As the official exhaust of the Yoshimura Suzuki Supercross/Motocross team, this exhaust was designed with one thing in mind, winning races. The RS-4 is a unique design with predicated power, a side benefit of a quiet earthy exhaust note that speaks volumes for performance.
This Full System comes with a Stainless steel header and mid-pipe, aluminum muffler sleeve, installation hardware, and step-by-step instructions.
An AMA-approved sound insert comes installed in the muffler, along with a 2 meter-Max insert in the box.
218310D320 made by Yoshimura
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