2011-14 Mustang GT headers with 1-7/8" primary tubes, 3" X-Pipe, 3" dia
lead pipes and off-road leads that mate to the Stainless Works exhaust.
Tig welded 304 SS headers with 3/8" thick flanges and 3" dia slip fit
collectors with merge spikes. This system replaces the factory
manifolds, catalytic converters and H-Pipe with a superior performing
lifetime guaranteed bolt-on system.