This MBRP exhaust system is perfect for those who own a 2003 - 2007 Ford F - 250/350 6.0L and want to boost their vehicle's performance. Whether you're driving on the highway or off - road, this exhaust will handle it all. It's made of corrosion - resistant T409 Stainless Steel, which is durable and easy to clean. The mandrel - bent tubing design ensures maximum exhaust flow, giving your engine more power. It comes with a lifetime warranty, so you can use it worry - free. The size and weight details are specific to the Ford F - 250/350 6.0L model it's designed for, ensuring a perfect fit.