This MBRP exhaust system is designed for Dodge and Ram 2500/3500 trucks from 2007 - 2012 with Cummins 6.7L engines. It's great for truck owners who want to boost their vehicle's performance and enjoy a great - sounding exhaust. Whether you're using your truck for daily commuting, hauling, or off - road adventures, this exhaust system can handle it. It's made of corrosion - resistant T409 stainless steel, which gives it a long lifespan. The mandrel - bent tubing is a key feature that helps the exhaust flow smoothly, getting more fresh air into the engine cylinders. And with a lifetime warranty, you can be confident in your purchase.