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Stainless Works long-tube headers for 2007–2014 Shelby GT500 are a full 3" Performance Connect system that bolts to Stainless Works exhaust. These 1-7/8" primaries are TIG-welded from 304 stainless with 3/8" flanges and oval ports matched to the factory head. The kit includes 3" OD slip-joint collectors with merge spikes plus 3" catted lead pipes and a 3" X-pipe, fitting the factory connection point for seamless installation.
Stainless Works 2007-14 Shelby GT500 Headers 1-7/8in Primaries High-Flow Cats X-Pipe
