1-3/4" header pipes flow in a tapered 3" to 3-1/2" turnout megaphone
Includes performance baffle
37" L with 3-1/2" billet end cap
18 mm to 12 mm sensor bung adapters not included. Must be purchased separately if required
Made in the U.S.A
Does not include O2 sensor port plugs for non-sensor applications