The Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.Automotive Item Grade: High PerformanceBody Height: 4.000 in.Body Length: 13.000 in.Body Width: 9.750 in.Color: BlackFitment: UniversalInlet Connection Type: PipeInlet Diameter: 2.250 in.Inlet Inside Diameter: 2.250 in.Inlet Outside Diameter: 2.250 in.Inlet Position: OffsetInlet Type: Single OffsetMain Piping Diameter: OEMMaterial: Aluminized SteelMount Type: Uses New Hangers (Not Included)Muffler Series: 40 SeriesMuffler Type: ReflectionOutlet Connection Type: PipeOutlet Diameter: 2.500 in.Outlet Outside Diameter: 2.250 in.Outlet Position: CenterOutlet Type: Single Center OutletOverall Length: 19.000 in.Shape: OvalSound Level: AggressiveTip Quantity: 0Title: Flowmaster 42441 40 Series Muffler - 2.25 Offset In / 2.25 Center Out - Aggressive SoundWARNING CA Proposition 65: No