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The JBA Cat4Ward shorty header for 2011–2014 Ford Mustang 5.0L Coyote uses 1-3/4" primaries in raw 409 stainless. These headers reduce restriction compared with the factory manifold to improve exhaust flow and engine efficiency. The Firecone collector optimizes mid-range torque, and mandrel-bent stainless tubing, oversized ports, 3/8" machined flanges and extra-thick collector domes pair with factory-style emission connections for a professional, leak-resistant fit.
JBA 11-14 Ford Mustang 5.0L Coyote 1-3/4in Primary Raw 409SS Cat4Ward Header
