The Straightline Performance Ski-Doo NEO Lightweight Quiet Trail Muffler is a ceramic-coated stainless steel exhaust upgrade designed for both 44HP and 55HP NEO models. Saving approximately 7.5 pounds while maintaining near-stock sound levels, this muffler delivers a deep, refined tone, factory-style fit and finish, reduced heat transfer, and long-lasting durability for riders who want performance without excessive noise.