Stainless Works 1-3/4″ Headers w/3″ X-Pipe & Cats, 2005-06 GTO

2005-06 GTO headers. CNC mandrel bent 1 3/4″ primaries, , CNC laser cut 3/8″ flanges, 3″ collector. Includes 3″ pipes to connect to factory 2 bolt flange. Includes 3″ High Flow Cats. The best GTO headers available-used by GM on their Orange “Woodward Cruise” GTO project. The best ground clearance and fit available. Combined with our 3″ exhaust and a proper tune, Speed Inc. made 53 RWHP and 53 FT# of torque on a 2005 automatic over stock!!! Includes 02 sensor extensions required for installation.