Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The JBA Cat4Ward header for 2010–2019 Toyota 4.6L V8 uses 1-5/8" primaries to reduce exhaust restriction, improving power delivery and overall efficiency compared with stock manifolds. Its collector design applies race-proven principles for usable gains. Manufactured from mandrel-bent 409 stainless with oversized ports, machined 3/8" flanges and factory-style emission connections for reliable fitment and installation.
JBA 10-19 Toyota 4.6L V8 1-5/8in Primary Raw 409SS Cat4Ward Header
