Quick view Direct Replacement Slip-on w/Utility Muffler Yamaha YFB 250D Timberwolf 1992-1996 & 250FW Timberwolf 4x4 1994-2000 & 250U Timberwolf 1996-1998 SKU: AT-7405 Compare $239.99 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 sound, take a look at the Sport Series or Performance... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List