Product Description DONNYFL FAT BOY 2.0 MUZZLE BRAKE The DonnyFL Fat Boy 2.0 Muzzle Brake This muzzle brake or air stripper screws onto the front of the fat boy. This unit does not come with the individual air strippers.You can change the caliber size by using the inserts that was included with the fat boy. Made of aluminum 6061 T6 Black Anodize Weights 2.9 oz Add the optional 3 inch extender for the fatboy to make it quieter! Extender
