S&S Cycle Slash-Cut Slip-On Mufflers - Race - Black - FLFB362218229 Product Description Product Instructions Classic slash cut styling Boost horsepower and torque Removable dB reducer included SAE J2825 sound level compliant S&S engineered high flow cats perform as well as many catalyst free "race only" mufflers All mounting hardware included Sold in pairs Made in USA Product Instructions S&S Cycle Slash Cut Slip On Mufflers M8 No dB Reducer