Down Pipe Kit, MBRP Exhaust Down Pipe Kit, Works with Stock Catalytic Converter., 3" Diesel Down Pipe; Aluminized Steel., 3" Installer Series Down Pipe Kit Works with Stock Catalytic Converter., MBRP Exhaust Installer Series, Down Pipe Kit., Jig Manufactured To Ensure Accuracy. Power Gains and EGT Reduction., Exhaust Pipe