Exsound 078511 ATV Bolt-On Muffler Slip-on only, steel muffler, black finish, galvanized main tube Special coupler, no gaskets needed, as quiet as the OEM silencer All internal parts are fully welded and not spot welded, can be directly installed on the OEM pipes, completely adjustable All built with spark arrestor, all Exsound mufflers have been built for ATVs with tires; Not tested for ATVs with track systems Muffler only, must cut and re-use OEM header; made in Canada