GSE Performance Polaris Sportsman 550 & 850 Trail tamer Dual Outlet Exhaust - Black Single Inlet, Dual Outlet Muffler - The Next Best Thing To Dual Exhaust Without The High Cost! Slip On Muffler With No Programmer Needed - Increases Power & Sounds Great! The Single Inlet/ Dual Outlet Muffler Made Impressive GainsOn The Bottom End And Mid Range On ThePolaris Sportsman A fully baffled muffler - NO packing to burn out, it will last for years with no maintenance and the sound will NOT change. Measures 92-93.5 decibles, well under the typical 96db max requred by most states Fits 2010 - 2016 Polaris Sportsman 550 XP, 850 XP, XS, SP, 850 Forest, 850 XP HO EPS, Does NOT fit 550 or 850 Touring or X2