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The JBA Cat4Ward header for 2005–2010 Ford Mustang 4.6L 3V applications uses 1-5/8" primaries in raw 409 stainless to handle heat and road use. Its shorty design reduces restriction for improved power and efficiency while 3/8" machined flanges, oversized exhaust ports and the proprietary Firecone collector optimize torque where you drive most. The assembly includes factory-style emissions connections and installation hardware for a secure fit.
JBA 05-10 Ford Mustang 4.6L 3V 1-5/8in Primary Raw 409SS Cat4Ward Header
