Dynatech Mustang K-Member Headers are the best way to make your Mustang conversion an easy bolt in. Designed specifically around 94-04 Mustangs with a Team Z, AJE, or PA Racing K-Member, using a LS Based Chevy engine. The 1-7/8" tube provides maximum torque and horsepower throughout the rpm range. The long tube design works great with a wide variety of engine combinations. A 3.00 collector allows for excellent ground clearance and easy hook up to a full exhaust system. Mild Steel with a High-Temp Black painted finish. Gaskets and bolts included. Optional ceramic coating inside and out. Gaskets and bolts included. Eligible for Dynatech's Nationwide "You Win, We Pay" Contingency Program.