• Delivers huge power at a very light weight
• Lower centralized mass coefficient improves handling
• Pro-Series features a titanium header construction;Competition Series features stainless steel header construction
• Tapered head pipe delivers optimal flow and performance
• Front cap design functions as a polyresonant chamber to lower dB output while improving mid- to top-end power
• Two-staged, stepped baffle
• Pro-Series features carbon fiber or titanium, muffler sleeve; Competition series features aluminum muffler sleeve with brushed finish
• For 96db spark arrestor use 43-5589; for 94db insert use 43-5560
• 99 dB muffler insert available separately from Yoshimura

Included Items:
(1) Muffler assembly w/sleeve
(1) Flange
(1) Manifold
(1) Header
(1) 8mm Large washer
(1) Aluminum spacer
(1) 8mmx35mm Flanged hexhead bolt
(1) Medium exhaust spring
(3) Small exhaust springs
(1) Aluminum bracket rubber grommet
(1) Insert kit
(1) Spring puller tool
(1) Offroad endcap plug
(1) Yoshimura vinyl sticker
(1) Instructions