*Product may vary by application.
The work put into developing the RS-4 muffler has paid off in off-road racing, winning multiple Supercross and Motocross titles since its inception. Yoshimura USA''s R&D department has been dedicated to developing the next generation RS-4, a unique design that provides an unmatched combination of power and quiet exhaust sound. The RS-4 features a dual polyresonant chamber, a two-stage staggered baffle, and an innovative carbon tailpipe.
pentagonal silencer
Dual poly-resonant chamber design - quieter while increasing power throughout the operating range
Stepped baffle on two levels
Carbon fiber tailpipe
Stainless steel exhaust pipe and manifold
EXHAUST MUFFLER FINISH: STAINLESS STEEL
SILENCER COVER FINISH: CARBON
HOMOLOGACIÓN: HOMOLOGACIÓN FIM
EXHAUST PIPES FINISH: STAINLESS STEEL
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Payments accepted
You have 15 calendar days from the date of receipt of the order to return a product with which you are not satisfied and have a refund, including delivery costs. Within this period, you can return said product along with the invoice. The amount will be paid once received in our warehouse and verified its status. The products that are returned must arrive in the same state in which they were sent, with all the components of the same, without modifications or alterations and with its original packaging. We only sell new products