Fits for Most of Chinese Made Scooters and ATV. Such as JONWAY, JMSTAR, ROKETA, SUNL, TANK, PEACE, TAOTAO,JCL,Coolsport, Kazuma which for GY6 125cc 150cc based engine. Please choose the correct one that fits your vehicle. Extra weld-on mounting bracket is included. Modifications in mounting of the Head Pipe may be necessary. Please install according to your own needs. Our exhaust muffler systerm fits for many scooter models with a 125cc -150cc GY6 engine. Please confirm before purchase. Without instructions. With baffle Sounds low , Removed baffle souds loud. Install according to personal needs. Package included: 1x exhaust header, 1x tail muffler, 1x bracket, 1x set of accessoriesThere are no instructions included in this kit. Professional Installation Is Highly Recommended！