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The Cat4Ward header for 2007–2011 Jeep with 3.8L V6 uses 1-1/2" primaries to free exhaust flow relative to stock manifolds. Built from 409 stainless with mandrel-bent tubing, it includes 3/8" thick machined flanges, oversized ports, extra-thick collector domes and JBA's Firecone collector. Factory-style emission connections and hardware are supplied for a professional installation.
JBA 07-11 Jeep 3.8L V6 1-1/2in Primary Raw 409SS Cat4Ward Header
