This MBRP exhaust system is perfect for those who own 1999 - 2003 Ford F - 250/350 7.3L vehicles and want to enhance their vehicle's performance. Whether you're using your truck for daily commuting, long - distance driving, or some heavy - duty work, this exhaust system will do the job. It's made of T409 Stainless Steel, which is corrosion - resistant and easy to clean. The mandrel - bent tubing ensures smooth exhaust flow. It's a great choice for truck owners who are looking for a reliable and cost - effective performance upgrade.