Gravity Performance decats instantly increase power by allowing exhaust gasses to exit the vehicle quicker. Our decats are designed to be direct replacements for the OEM catalytic converter, ensuring smooth installation every time. ---Manufactured from highest quality T304 grade stainless steel ---Mandrel bent and fully TIG welded for strength and durability ---Replacing the First Catalytic converter of the 2.1L Cdi engine ---Built in flexi joint to help reduce exhaust strain ---Sold for off-road and track use only Fitment ---Mercedes Benz Sprinter 2.1 diesel (906) 311CDi (1st cat replacement) 2006-2013 models.