Kook’s’ long-tube stainless steel headers for Mustang GT and Shelby GT350 come with either 1 ¾-inch or 1 7/8-inch primaries and three-inch collectors. Kook’s 2015-2017 Mustang GT and GT350 ...

A: Alphawerks' JDM equal length stainless steel headers USDM 350Z. The headers are imported and tested by Nexus Industry. To assure power in any environment the Alphawerks headers were dyno tested ...