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The JBA Cat4Ward header for 2007–2020 Toyota 5.7L V8 comes with a silver-coated finish and 1-5/8" primaries to reduce backpressure and improve drivability. The collector design focuses power and torque in common driving ranges. Made from mandrel-bent stainless with oversized ports, extra-thick collector domes and machined 3/8" flanges; it includes factory-style emission connections for proper fitment.
JBA 07-20 Toyota 5.7L V8 1-5/8in Primary Silver Ctd Cat4Ward Header
