This MagnaFlow exhaust system is perfect for SUV owners who want to enhance their vehicle's performance and sound. Whether you're cruising around town or going on a long road trip, it'll give your SUV a more powerful and sporty feel. It's designed to fit 2006 - 2010 Ford Explorers and 2006 - 2010 Mercury Mountaineers. The main piping is 2.5 inches in diameter, and it has a single driver - side rear exit with 4 - inch polished tips. It's easy to install on your own and comes with great warranties.