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