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The JBA Cat4Ward header for 1986–1995 GM trucks with 5.0L/5.7L SBC engines (without A.I.R., titanium-coated primaries) replaces restrictive manifolds to improve exhaust flow and overall engine efficiency. Constructed from mandrel-bent stainless tubing with 3/8" machined flanges, oversized ports and the Firecone collector, it includes factory-style emission connections and heavy-duty hardware for a correct, no-leak fit.
JBA 86-95 GM Truck 5.0L/5.7L SBC w/o A.I.R. 1-1/2in Primary Ti Ctd Cat4Ward Header
