Quick view Direct Replacement Slip-on w/Utility Muffler TRX 300 FourTrax (all models) 1992-2000 SKU: AT-7109 Compare $239.99 INSTALL INSTRUCTIONS MBRP AT-7109 Instructions UTILITY Series ATV Exhaust Designed to be a replacement muffler with similar sound levels to stock, but with higher flow. Higher flow means more power. If you want even higher flow and more aggressive... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List