For 1998-01 Polaris 600 "Big Block" Twin RMK/XC with stock single pipe. Reduce weight while maintaining low sound levels. Provides an additional 2 horsepower and exits the stock belly pan outlet. Finished with ceramic coating that provides an attractive, protective, durable finish that requires minimal maintenance and reduces underhood heat for maximum horsepower and running consistency. Reduce weight by 8 pounds on 00/01 models and 3 1/2 pounds on 97/99 models. Not for XC 600 Gen II or Edge with VES Engine 09-224 - 99 RMK