2-into-1 Nasty Bastard Exhaust System – Black

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; 18 mm to 12 mm sensor bung adapters not included. Must be purchased separately if required; Does not include O2 sensor port plugs for non-sensor applications