This MBRP exhaust system is great for Ford F - 150 owners from 2004 to 2008 who want to boost their vehicle's performance without breaking the bank. It's ideal for those living in dry climates. When you're on the road, it helps your engine breathe better, giving you more power. The heavy - gauge Aluminized Steel tubing is used to build it, which adds to its durability. It's mandrel - bent to ensure smooth exhaust flow.