1. It Is universal muffler can be used for dirt bike, street bike, scooter, ATV, quad and any other bike with pipe diameter 38-51 mm. 2. Most motorcycles can be applied,but  diameters 38-51mm，not for all types motorcycles. 3. Fashion design style , a great accessory to dress up your rides. 4. Removable DB killer/silencer, offer different sound effect ，reducing overall weight for top performance to obtain max output. Specification: Product Name: Exhaust Pipe Silencer. Material: Stainless steel & Carbon Fiber. Color: Black+Carbon Fiber / Black+Chrome / Blue+Chrome / Blue+Carbon Fiber / Red+ Carbon Fiber / Gold+Carbon Fiber. Attached parts: Yes（Including hanging rings, rubber strips, springs, hooks, connectors, screws）. Total Length: 240mm / 9.45. Diameter: 51mm / 2.0. Middle Color Block Length: 130mm / 5.12. Tail Diameter: 70mm / 2.76（For other sizes，please refer to the pictures we provide). Quantity 1 set. Fitment: Motorcycle universal diameter 38-51 mm，not for all types motorcycles. (Please Compare With Your Original One Before Purchasing ) Package Included: 1x Exhaust Muffler. 1x Hanging Rings. 1x Rubber Strips. 2x Springs Hooks. 2x Connectors