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The silver-coated Cat4Ward header for 2011–2017 Ford Mustang 3.7L V6 pairs corrosion resistance with freer exhaust flow from 1-5/8" primaries. Built from mandrel-bent 409 stainless, it features JBA's Firecone collector, oversized ports, 3/8" machined flanges and includes factory-style emission connections and quality hardware for a professional installation.
JBA 11-17 Ford Mustang 3.7L V6 1-5/8in Primary Silver Ctd Cat4Ward Header
