Dieselr Aluminized Turbo Back Exhaust Single | Dodge 2500/3500 6.7L Cummins (2010-2012)The Dieselr Aluminized Turbo Back Exhaust Single (20102012 6. 7L Cummins) is engineered for Ram 2500 and 3500 owners who expect their truck to work as hard as they do. Built from heavy duty aluminized steel, this system delivers improved exhaust flow, reduced EGTs, and long term reliability for towing, hauling, or daily fleet use. The 4 inch and 5 inch turbo back design uses precision mandrel bends and welded flanges for a clean, factory style fit.