2015-18 Mustang GT headers with 1-7/8″ primary tubes, 3″ diameter lead pipes and high flow catalytic converters that mate to the factory connection point. Tig welded 304 stainless steel headers with 3/8″ thick flanges and 3″ diameter slip fit collectors with merge spikes.

This system replaces the factory manifolds, catalytic converters with a superior performing lifetime guaranteed bolt-on system.