Fitment: (2015-2018) Polaris AXYS Chassis - Rush / Switchback / Pro S / Pro X 600 & 800, (2016-2018) Polaris AXYS Chassis - Pro RMK / SKS / RMK Assault 600 & 800, (2017-2018) Polaris AXYS Chassis- XCR LE 600 & 800 Rush, (2017-2018) Polaris AXYS Chassis Switchback Assault 600 & 800, (2017-2018) Polaris AXYS Chassis Voyageur 600 144, (2017-2018) Polaris AXYS Chassis Switchback SP 144 600. This muffler is a super lightweight, straight through flow design with an aggressive exhaust note. System fits securely in the stock location using stock mounts and is guaranteed to provide performance levels as good as or better than stock. GGB Mountain mufflers are designed to be used in areas where increased sound levels are not an issue. These cans are loud when you open the throttle. Please use accordingly. Sound level increase over stock (dbA) Idle + 4-6 / Under load + 10-18. Features: Increased throttle response, Aggressive exhaust note, Huge weight savings, No fuel mods, Simple install, Secure fit.