Muffler Type: R-77. Materials: Stainless/carbon/carbon (Works finish). EMIS Category: 3.

• Marked with appropriate EPA noise emission labels
• Not tested for EPA noise levels
• Superbike technology and styling
• Trapezoidal-shaped sleeve
• Large volume of packing material
• Straight baffle for ample flow
• Designed for closed-course competition use only; not for street use
• Meet noise level regulations of most worldwide race sanctioning organizations
• Innovative end-cap
• Stainless steel header and tail-pipe