TIG-Welded: 100% TIG-Welded by certified craftsmen for race proven strength and durability. TIG-Welding provides the strongest welds reducing stress cracks. Brushed 304 SS Construction: This front race-pipe is constructed of durable mandrel bent brushed 304 stainl ess steel tubing for maximum performance, corrosion resistance and strength eliminating cracking. 6" Interlock Flex Pipes: The front race-pipe utilizes heavy duty 6" flex tubes with internal interlock liners. Factory Mounting Locations: 2-1/2"Inlet/Outlet connection pipe mounts directly to OE mounting locations. Full 2-1/2" Systems 2-1/2"Inlet/Outlet connection pipes mount directly to the Takeda performance Cat-Back P/N: 49-36615-P/L. Hassle-Free Installation: All hardware is included for a hassle-free installation. This unit also comes with a 2-year warranty.