We extensively tested this muffler to ensure the best combination of power

For huge and reliable gains use our pipe and a Power Commander controller

Polaris RS1

Weighing in at a mere 8 lbs (11 lbs lighter than stock)

The stock XP800 muffler weighs just shy of 16 lbs

Oil Sleeve Category_Default Category/SLED/Yamaha/Sidewinder We extensively tested this mufflerThe Oil Sleeve is designed to stop oil from leaking out of the oil cap due to a warped reservoir neck. The Oil Sleeve installs easily into place. Slight heating of the reservoir neck with a heat gun may be required to install the Oil Sleeve. Fits: Ski Doo XP, Rev, ZX, CK, F and S chassis; Arctic Cat Crossfire, M Series and Sno Pro Chassis; Polaris Edge, IQ, RMK, SKS, Switchback, Rush, Indy, Fusion, Evolved and Aggressive Chassis. DOES NOT FIT: MATRYX