Fits: 2000–2003 Ford Excursion 1999–2003 Ford F-250 Super Duty 1999–2003 Ford F-350 Super Duty Magnaflow15459Connecting PipesThe MagnaFlow Ford Turbo Downpipe 15459 is a 3.5in. diameter mandrel bent stainless steel pipe designed to connect near your turbocharger and i's weight-optimized with superior flow characteristics and performance. Each performance pipe is produced using precision CNC robotic manufacturing techniques and features 100% durable, corrosion resistant stainless steel construction. Professional installation is highly recommended.MagnaFlow turbo downpipes feature stainless steel construction for maximum flow capacity and a T304 stainless steel flex joint for durability. They bolt to the bottom of the stock turbo housing and even retain the OEM oxygen sensor location. With their unique outlet design, these MagnaFlow turbo downpipes can bolt to the stock catalytic converter and can be fitted to virtually any aftermarket cat-back exhaust system.