Quick view Slip-on combination w/Performance Muffler Polaris RZR 4 900 2014 & 4 XP 900 2012-2013 & 900 2014 & XP 900 2011-2013 SKU: AT-8513P Compare $299.99 INSTALL INSTRUCTIONS MBRP AT-8513P Instructions PERFORMANCE Series SXS Exhaust MBRP’s SXW Performance muffler. A true performance exhaust sound with maximum flow, delivering an aggressive and crisp sound. This is MBRP's highest and best... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List