Unleash torque and horsepower with this Twisted Steel series header for your Dodge Diesel. 1-3/4" head pipes stepped to 2" x .120 wall, mandrel bent 304 stainless steel tubing and a 1/2" laser cut T-4 divided diesel flange builds quicker turbo boost, improves throttle response and overall performance. TIG welded for strength and durability, this system allows for use of a larger turbo and is equipped with 1/8" EGT ports for auxiliary equipment. 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 provides the strongest welds reducing stress cracks for race proven strength and durability. This system utilizes a divided diesel T-4 flange that allows for a larger turbo and increase exhaust velocity, turbo spool, and boost.