aFe Twisted Steel Header w/ Turbo Manifold 03-07 Dodge Diesel L6-5.9L

Constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, and corrosion resistant to eliminate cracking. A 1-3/4" head pipe stepped to 2" x .120 wall stainless steel tubing, is used to increase exhaust velocity and increase usable torque. This means a more aggressive throttle response and increased passing power. 100% TIG-Welded by certified craftsmen for race proven strength and durability. TIG-Welding provides the strongest welds reducing stress cracks. Utilizes a divided diesel T-3 flange to increase exhaust velocity and turbo spool and boost