Duncan Racing Fat Boy 4 Turn Down for All FB4 Exhaust

Products Description Turn down for Fat Boy 4 Exhaust. Bolts on to all Fat Boy 4 Rear End Caps .Machined to accept optional spark arrestor screen Redirects exhaust note, quiets sound level by 2-3 db’s Turndown Seals to Fat Boy 4 with O-Ring(included) Brushed Aluminum Finish