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The Cat4Ward header for 2000–2006 Jeep 4.0L uses 1-1/2" primaries in a shorty layout to reduce restriction and improve engine efficiency. Constructed from 409 stainless with mandrel-bent tubes, it features 3/8" thick machined flanges, oversized ports, extra-thick collector domes and JBA's Firecone collector. Factory-style emission connections and installation hardware are included.
JBA 00-06 Jeep 4.0L 1-1/2in Primary Raw 409SS Cat4Ward Header
