Muffler Type: R-77D. Materials: Stainless/carbon/carbon slip-on. EMIS Category: 3.

• Offers greater gains in low- and mid-range power without restrictive inserts
• Innovative dual-outlet carbon fiber end-cap
• The R-77D is a dual-outlet version of the race-proven R-77
• The R-77D requires no inserts or restrictions, increasing muffler packing life and providing five percent more open exhaust outlet area and as much as three decibels lower sound output (compared to the standard open R-77)
• Large volume of packing material
• Stainless steel tail-pipe
• Straight baffle for ample flow