The Straightline Performance Vari-Sound Muffler for Ski-Doo 900 ACE Turbo, 900 ACE Turbo R, Mach Z, and Lynx models delivers a proven 3 horsepower gain and 6-pound weight savings while giving riders complete control over exhaust sound. With the push of a button, switch from a quiet trail-friendly muffler to an aggressive direct-exit performance exhaust. Featuring polished stainless steel construction, an aluminum heat shield housing, plug-and-play electronics, wireless remote control, and a precision aluminum side-panel trim ring, this is one of the most innovative exhaust systems available for the 900 Turbo platform.