This MBRP exhaust system is perfect for Ford F150 owners from 2004 to 2008. Whether you're cruising on the highway or off - roading, it'll make your truck stand out. It's great for those on a budget who still want high - performance and a great sound. The exhaust is made of heavy - gauge Aluminized Steel, which is durable but best suited for dry climates. The mandrel - bent tubing ensures maximum exhaust flow and better engine performance.