Use this exhaust system when you're driving your 2002 - 2007 Jeep Liberty on regular roads or in light off - road conditions. It's perfect for Jeep owners who want to improve their vehicle's performance and sound. The exhaust is made of T409 Stainless Steel, with mandrel - bent tubing for better exhaust flow. While exact size and weight aren't given, it's designed to fit your Jeep Liberty models smoothly.