Fits 2004-2006 Pontiac GTO;Two-piece design;Fits up to 3.5? driveshaft;Weld-on design;Complies with NHRA rules;Required for cars quicker than 13.99 in the quarter mile with sticky tires;Required for cars quicker than 11.49 in the quarter mile with stock tires;1/4-inch laser-cut plate steel;Available in black hammertone and red powdercoat;Durable powdercoat finish;Proudly designed in the U.S.A.;Proudly built in the U.S.A.