The 50 Series Big Block muffler is made for more than just big cubic inch engine applications. Its large case size with internal tuning chamber provides mileage and power gains along with maximum sound control for a quiet interior tone, even under heavy loads. Well suited to heavy duty vehicles such as full size trucks, SUV's, RVs, and tow vehicles. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.Automotive Item Grade: High PerformanceBody Height: 5.000 in.Body Length: 22.000 in.Body Width: 12.000 in.Color: BlackFitment: UniversalInlet Connection Type: PipeInlet Diameter: 3.000 in.Inlet Inside Diameter: 3.000 in.Inlet Outside Diameter: 3.000 in.Inlet Position: DualInlet Type: DualMain Piping Diameter: 3.000 in.Material: Aluminized SteelMount Type: Uses New Hangers (Not Included)Muffler Series: 50 Series Big BlockMuffler Type: ReflectionOutlet Connection Type: PipeOutlet Diameter: 3.500 in.Outlet Outside Diameter: 3.500 in.Outlet Position: OffsetOutlet Type: Single Offset OutletOverall Length: 28.000 in.Shape: OvalSound Level: MildTip Quantity: 0Title: Flowmaster 530513 50 Big Block Muffler - 3.00 Dual In / 3.50 Offset Out - Mild SoundWARNING CA Proposition 65: No