Kooks stainless steel headers for the 2020+ Mustang GT500 5.2L include 2" primary to 3" collectors with high-output 4-1/2" bodied GREEN catted connection pipes and OEM adapters. The system ships with O2 extensions, gaskets and installation hardware and is built in the USA. Kooks emphasizes dyno- and race-tested development, aircraft-quality T304 stainless construction and fitment intended to maximize power for street and track use.
Kooks 2020+ Mustang GT500 5.2L 2in x 3in SS Headers w/GREEN Catted Connection Pipe