2024 Duramax Exhaust Tips And Tricks. Diesel fuel economy / mpg, diesel performance parts, gm duramax, products, suspension, tips and tricks. This system for your duramax is a dpf (diesel particulate filter) back kit featuring 4 t304 stainless steel piping and finishes out the back behind the passenger tire with a 5.
(4 inlet, 5 outlet) (0) reviews: Gm also stated they improved the exhaust brake, find out.