- Universal design fits any ATV or UTV with a four-stroke engine - Engineered with an innovative high flow/low restriction spark arresting muffler - Quiets ATV/UTV exhaust noise up to 50% with no loss of performance - Dyno test results, on some models, have actually revealed an increase in mid-range power and overall performance - All mounting hardware and detailed instructions included - Baffled design has no packing to burn out, steel construction for long lasting performance