single muffler dual tip design. 1. Full racing spec, straight pipe design to improve the exhaust efficiency at high-rpm range. 2. Thrush-cut tail and main silencer is TIG welded by our professional muffler craftsman. 3. Main silencer is small 160mm diameter type, to keep the ground clearance. 4. Exhaust system with removable silencer to adjust power and sound db. (Silencer available as option) As a result, it enhances the ability to obtain maximum performance in closed circuits by removing the silencer or by decreasing the sound db for street use. 5. Fully constructed using SUS304 stainless steel for maximum durability and looks