??[FITMENT] – It Is Universal Muffler Can Be Used For Dirt Bike, Street Bike, Scooter, Quad And Any Other Bike With Pipe Diameter 38-51 mm??[QUANTITY] – 1 * Exhaust Pipe And Sold With Hardware As Pictures.Installation Instruction NOT Included.??[FUNCTION] – The GP series exhaust which add power and a more race-inspired sound to your bike as well as lowering the overall weight.Sounds really great; Meet many buyers’favor; Have a try and you will not disappoint.??[HIGH QUALITY] – 100% Brand New, Never Mounted, High Quality.Stainless Steel Welding Adaptor Allow To Fit Pipe 38mm – 51mm.No DB Killer, The Sound Will Be Outstanding.Reducing Overall Weight For Top Performance To Obtain Max Output.Professional Installation Recommended.??[AFTER SALE] – Manufacturer warranty for 90 days from date of purchase.We are committed to provide excellent customer service,If you have any questions,please contact us.We will try our best to solve your problem.Product DescriptionFeatures: 100% Brand New, Never Mou