Yoshimura R77D Street Slip-On Exhaust Suzuki Gsxr 750 / Gsxr 600 Features: A dual-outlet version of the race-proven R-77 and boasts a carbon fiber cone end-cap 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) Greater gains in low- and mid-range power without restrictive inserts Superbike technology and styling Innovative dual-outlet end-cap Trapezoidal-shaped sleeve Large volume of packing material Straight baffle for ample flow Stainless steel tail-pipe Lighter than stock configuration