2.50" High-Flow Catalytic Converter Note: No Air Injection Note: 2 1/2inch Inlet/Outlet MagnaFlow Performance Exhaust High Flow Catalytic Converters are designed for optimum flow. The converters feature a stainless steel body and a bright mirror finish stainless steel heat shield. They contain a flow efficient ceramic catalyst, ribbed body for strength and a funnel inlet and outlet for smooth exhaust flow. 4inch Tall x 5 1/8inch Wide. 9inch Body Length. 13inch Overall Length