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The JBA Cat4Ward header for 1988–1993 GM trucks with 7.4L BBC engines (without A.I.R.) offers a shorty-style replacement that increases exhaust flow and engine efficiency. Constructed from mandrel-bent stainless tubing with 3/8" machined flanges, oversized ports and JBA's Firecone collector, it includes factory-style emission connections and durable hardware for a professional, no-leak installation.
JBA 88-93 GM Truck 7.4L BBC w/o A.I.R. 1-3/4in Primary Silver Ctd Cat4Ward Header
