Kooks - 1121H230Header and Connection Kit. 1999-2004 Ford Mustang GT 4.6L 2V. Includes 1-3/4in. x 3in. Stainless Steel Long Tube Headers/3in. x 2-1/2in. (OEM) GREEN Catted Stainless Steel X-Pipe.Kooks Headers and Exhaust has been the leader in the High...