This expertly crafted Kerker 2:1 system is available in black or chrome and features a full flow mechanical core for a deep throaty sound and excellent top end performance. Numerous OEM's choose these for their big engine bikes. Dressed in heat shields, this exhaust will keep its cool for years of riding enjoyment. Power curve shifts to the top end, providing high RPM power. A 2.5" non-baffle, mechanical core provides a deep, bottomless rumble. The core and packing are rebuildable for minimum maintenance. A uniquely designed mounting bracket makes this system a breeze to install, work with both forward and mid controls.