Slip on Exhaust 1.5″ Inlet Stainelss steel Muffler With Moveable DB Killer For Dirt Bike Street Bike Scooter ATV Racing The body is made of stainless steel covered with carbon fiver color vinyl that make the exhaust looks Luxury and attractive Removable DB killer offers difference sound effect Reducing Overall Weight For Top To Obtain Max Output It Is Universal Muffler Can Be Used For Dirt Bike, Street Bike, Scooter, ATV, Quad And Any Other Bike With Pipe Diameter 38 mm Manufacturer warranty for 90 days from date of purchase 1.5 muffler