Yoshimura RS-4 Exhaust System and Slip-On Muffler for Honda

FEATURES

• An evolution of Yoshimura's off-road exhaust system.
• Equipped with USFS-approved spark arrestors, forest-friendly noise levels and are tailpipe-emissions compliant.
• Marked with appropriate EPA noise emissions labels.
• Not tested for EPA noise levels.
• Delivers huge power at a very light weight.
• 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.