The JBA Cat4Ward header for 2002–2019 GM trucks covering 4.8L, 5.3L, 6.0L and 6.2L LS engines without EGR is a shorty header designed to free exhaust flow and improve efficiency. Built from raw 409 stainless with mandrel-bent 1-1/2" primaries, it features JBA's Firecone collector, 3/8" machined flanges with oversized ports, extra-thick collector domes and factory-style emission connections with hardware included for a no-leak installation.
JBA 02-13 GM Truck 4.8L/5.3L LS Raw 409 Cat4Ward Header