2-into-1 Nasty Bastard Exhaust System - Chrome - '97-'16 FL

1-3/4" header pipes flow in a tapered 3" to 3-1/2" turnout megaphone. 37" L with 3-1/2" billet end cap. Includes performance baffle. Made in the U.S.A.. O2 sensor port plugs are included for non-sensor applications. 18 mm to 12 mm sensor bung adapters included.