2011+ Mustang GT headers with 1-7/8 primary tubes 3 X-Pipe 3 dia lead pipes and high flow catalytic converters that mate to the factory connection point. Tig welded 304 SS headers with 3/8 thick flanges and 3 dia sli

STAINLESS WORKS M11HDRCATX Features:

2011-14 Mustang GT headers with 1-7/8" primary tubes, 3" X-Pipe and 3" dia catted lead pipes that mate to the factory connection point. 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.