Mbrp Universal Sport Slip-On Exhaust Change out your stock muffler for an Mbrp Sport Series exhaust and revel in the fresh, deep growl emanating from your ATV or Sxs. Hit the gas for an assertive roar or cruise around without worrying about excessive noise. Features: Black-coated aluminized steel Bolt-on installation Mild exhaust note over Utility series, while increasing flow and power No tuning needed 1.75 Inlet, 4.25 Diameter Body