Quick view Slip-on system w/Sport Muffler Yamaha YFM 400 Big Bear 2x4/4x4 (all models) 2000-2010 SKU: AT-6409SP Compare $279.99 SPORT Series ATV Exhaust MBRP Sport Series mufflers offer a mild exhaust note over their Utility Series systems, taking full advantage of the reliability and dependability of a chambered design, while increasing flow. Enhanced Exhaust Sound 1.75" Inlet,... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List
