Big Gun Exhaust EVO Utility Dual Slip On Mufflers for 2015 21 Polaris RZR 1000 XP models 12 7962 MPN_631M07300 Bore Oversize: 0 Bore Oversize: 0 Package Qty: 96 Pieces Product Details Product Line Big Gun Exhaust EVO Utility Series Part Number 12 7962 Fitment Type Model Speicific Fitment Use Type Unit Sale Qty Each Style Size Position Material Aluminum Color Black Finish High Temp Thermal Coating Exhaust Configuration Dual Muffler Slip On Exhaust Muffler Size Muffler End Tip Style Black Powder Coated Stainless Steel End Cap California Emissions TRUE Product Disclaimer DUE TO HIGH ENGINE TEMPERATURES OF THIS RZR about 80% of customers that we speak with don’t feel the need to adjust any further after installing it