Use this exhaust system on your 2007 - 2012 Dodge Ram 2500/3500 Cummins 6.7L for daily commuting, long - distance driving, or even some light off - roading. It's great for car enthusiasts who want to boost their vehicle's performance and add a cool sound. The exhaust uses 5 - inch filter back single side design and is made of T409 stainless steel, which is both durable and easy to maintain.