Product Summary: A-KARCK Universal Exhaust Muffler 2.25" Center Inlet 2.25" Center Outlet, 13" Overall Length Aluminized Steel Aggressive Sound Race Muffler for Cars, Trucks (Black Specification: Material: Aluminized Steel Single Inlet: 2., 25 Inch Single Outlet: 2., 25 Inch Overall Length: 13 inch Direction: Center to Center Body Length: 7 inch Body Width: 9 inch Internal Construction: Single Chamber Connection Type: Pipe connection / Weld on Package Included: 2 pcs Muffler Noise Reduction: Designed to create deep throat swelling and muffle exhaust noise. Inlet Marked: Inlet mark prompt to prevent wrong installation. 13 Inch Overall Length Muffler A-KARCK Single Chamber Muffler 2.25" Center Inlet 2.25" Center Outlet, 13" Overall Length Aluminized Steel Aggressive Sound Race Muffler (2 Pcs Single Chamber Muffler 2.25 Inch This free-flowing muffler is engineered to add a dose of hot rod fury to your ride. 13135 features durable, corrosion resistant aluminized steel construction... Inlet mark prompt to prevent wrong installation. Factory-style: Welded structure provide stability and longer service life. All Makes All Models Parts | BM0100 | Gibson MWA Performance Muffler Aluminized Steel Construction: Corrosion resistance and heat resistance.