Front Pipe, MBRP Exhaust Front Pipe, Not For Use On Vehicles Equipped With A Catalytic Converter ( 2002-2004 'Clean State' California has a Catalytic Converter), 4in. Front-Pipe w/Flange; AL, 4in. Front-Pipe w/Flange; Aluminized Steel., MBRP Exhaust Installer Series, Front Pipe., Bolt-on Installation., Exhaust Pipe