Muffler Black Utility Series MBRPPerformance Sound In A Simple Package Directly replace your OEM muffler with an MBRP Utility Series exhaust, and hear the voice your ATV or SXS should have had from the factory. Fitment: Universal Product Info: ATV 7000 Series Utility Muffler Black Coated Slip on 12. 15 Inch Body Length 3. 5 Inch Body Diameter 1. 25 Inch Inlet Chambered Muffler Improved Sound and Flow MBRP Ltd.'s has an absolute dedication, not just to excellence in its products, but