Yoshimura Signature/Enduro RS-4 Full System – KTM 250/350 SX-F/XC-F
The RS-4 features a duplex chamber, a two-staged stepped baffle and an innovative carbon cone end cap. Stainless systems come with both a 94db and AMA 2-m Max sound insert.
Pentagonal-shaped sleeve
Front muffler cap functions as a polyresonant chamber which helps reduce noise
Two-stage stepped baffle
Carbon fiber end-cap
Stainless steel header and tail-pipe
