NEW RED RACING EXHAUST MUFFLER PIPE GY6 85cc 90cc 100cc MOPED SCOOTER GO KART 100% Brand new in original packaging, never been tried on or used Increase & adds up to 4-10 hp Products are made by high quality stainless steel, RED anodized aluminum body, light weight designed Installation accessories and gaskets are included Easy to install, feel free to contact us for installation problems