Yoshimura RS-4 Slip-On Muffler for Yamaha

FEATURES

• Sophisticated, stylish muffler design 
• RS-4 is a pentagonal-shaped muffler body that features a two-staged stepped baffle and carbon-fiber cone end cap 
• Muffler front cap design functions as a polyresonant chamber that improves mid-range and top-end power and keeps the muffler quieter 
• Full system features stainless steel header pipes
• Race series

NOTE: This item may be subject to additional shipping charges.