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Yoshimura Off-Road – RS-4
Fits YZ / WR / KX / DRZ / CRF XX / KTM / HUSKY
- Pentagonal-shaped sleeve
- Cone-shaped end-cap
- Maximized internal volume
- Polyresonant duplex front chamber
- Stepped, two-stage core baffle
- Spark Arrestor/Sound Insert Compatible
MUFFLER DESCRIPTION KEYS OPTIONS:
RS-4 SLIP-ON: SO SS-AL-CF
Stainless Steel Pipe – Aluminum Sleeve with Carbon end-cap
RS-4 FULL SYSTEM: FS SS-AL-CF
Stainless Steel Pipe – Aluminum Sleeve with Carbon end-cap
RS-4 FULL SYSTEM: FS TI-TI-CF
Titanium Pipe – Titanium Sleeve with Carbon end-cap
RS-4 FULL SYSTEM: FS TI-CF-CF
Titanium Pipe – Carbon Sleeve with Carbon end-cap
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