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JBA header-back exhaust for 1965–1970 Ford Mustang (260–428) with dual under rear valance replaces restrictive factory sections with mandrel-bent 409 stainless steel tubing and tuned mufflers to enhance flow, tone and overall efficiency. The design balances an assertive exterior note with acceptable cabin levels for everyday driving. Includes polished tips, factory-style hangers and quality hardware for a correct-fit restoration or performance upgrade.
JBA 65-70 Ford Mustang 260-428 409SS Dual Under Rear Valance Header Back Exhaust
