This MagnaFlow exhaust system is perfect for car enthusiasts who want to enhance the performance and sound of their 2002 - 2003 Mitsubishi Lancer 2.0. Whether you're cruising around town or hitting the open road, it'll give your ride a new personality. The main piping is 2.5 inches in diameter, and it has 3.5 - inch polished welded - on double - wall straight - cut folded - edge tips. It's designed to replace the stock exhaust from near the catalytic converter back, and it's easy to install at home.