When installing BBK long tube headers on your Dodge Ram 1500 5.7L - (Part #1950 or Part #19500) you must also use this BBK Performance 2.5" high flow catted Y-pipe mid pipe kit to allow a direct connection to the catback exhaust system. Combined with the added flow from your headers, this BBK Performance mid pipe will dramatically increase the sound and performance of your Dodge Ram 1500 truck and will be sure to turn heads. High flow steel substrate catalytic converters are used for better exhaust flow. This mid pipe is designed from 2.5" mandrel bent aluminized steel for great exhaust flow. High Flow Y-Pipe With Catalytic Converters For Use with BBK RAM Truck Long Tube Headers ONLY Part #1950 or Part #19500 Attributes: Brand Name: BBK Performance Parts GTIN: 00197975195012 Catalytic Converters: Yes Clamps Included: Yes Finish: Unfinished Gasket Or Seal Included: No Material: Steel Quantity: 1 Shape: Y Pipe Extended Information: Country of Origin: US Emissions : Racing or Pre-Emissions Use Only Life Cycle Status: Available To Order Packing Information: Quantity of Each: 1 Package UOM: EA Dimension: 35 x 18 x 8 inches Weight: 20 POUNDS