This MagnaFlow exhaust system is perfect for Dodge Ram 2500 and 3500 owners from 2003 to 2007 who want to enhance their truck's performance and sound. Whether you're cruising on the highway or doing some heavy - duty work, this exhaust will make your truck stand out. The main piping has a 5 - inch diameter, and it's made of corrosion - resistant stainless steel, so it can handle tough conditions. Installation is easy, so even if you're a DIY enthusiast, you can get it done without much trouble.