S&S CYCLE Grand National Slip-On Mufflers - Race - Black Ceramic - M8 Softail 550-0737

Grand National Slip-On Mufflers - Race - Black Ceramic - M8 Softail Improved horsepower and torque (when used with a Stealth Air cleaner kit; sold separately), Race-inspired design, Removable dB reducer for back pressure and sound tuning, Meets J2825 levels for sound, All hardware included, Deep-performance rumble replaces stock whisper tone, No mapping required, Sold in pairs, Made in USA