This MagnaFlow exhaust system is perfect for off - road enthusiasts who own a 2000 - 2006 Jeep Wrangler. Whether you're hitting the trails or just cruising around town, it gives your vehicle an edge. The main piping has a 2.5 - inch diameter and it ends with 3 - inch tips. It's made of stainless steel, which is lightweight and corrosion - resistant. Installation is a breeze, so you can get back on the road quickly and enjoy the enhanced performance and aggressive sound.