This MagnaFlow exhaust system is perfect for Honda Accord owners from 2008 - 2012 who want to enhance their driving experience. Whether you're cruising on the highway or at a stoplight, it gives your car a powerful and sporty sound. The main piping is 2.25 inches in diameter, and the tips are 4 inches. It's suitable for those who are into car upgrades and want an easy - to - install solution that comes with reliable warranties.