Seller notes

S&S Cycle Black Grand National Slip-On Mufflers Part #: 4410190 Manufacturer Part #: 550-0725 Overview of S&S Cycle Black Grand National Slip-On Mufflers Up to 17% more horsepower and 9% more torque (when used with Stealth Air Cleaner Kit) Race-inspired design Black ceramic finish Removable dB reducer for back pressure and sound tuning Deep performance rumble Meets J2825 levels for sound Note:  NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES. Not legal for sal...

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