Yoshimura RS-4 Signature Series Dual Muffler Full Exhaust System

Yoshimura Signature Series exhaust components are the answer for riders faced with ever-tightening noise and emissions regulations at the federal level. All Signature Series components are independently tested, documented, and marked as required by state and federal regulations as CARB/EPA-compliant.

Yoshimura's RS-4 twin pipe exhaust is completely fabricated by hand and TIG-welded to perfection. Each kit starts with a stainless steel header and Y pipe mated to twin RS-4 mufflers for incredible looks and performance. The kit also comes with a custom Yoshimura kick-stand.

• RS-4 twin pipe exhaust
• Kevin Schwantz supermotard design
• Pentagonal-shaped sleeves
• Front muffler cap functions as a polyresonant chamber which helps reduce noise
• Two-stage stepped baffles
• Carbon fiber end-caps
• Stainless steel header, Y-pipe, and tail pipes
• Includes instructions and all required installation hardware