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The JBA Tri‑Y long‑tube titanium‑coated header for 1967–1970 Ford Mustang 390–428 FE is engineered to improve exhaust flow and high‑RPM efficiency for big‑block V8 applications. It pairs a Tri‑Y layout with large mandrel‑bent primaries and oversized exhaust ports to free up horsepower and torque. Finished with 3/8" CNC laser‑cut flanges and the JBA Firecone merged collector, the kit includes O2 provisions, hardware and installation instructions.
JBA 67-70 Ford Mustang 390-428 FE 1-3/4in-2-1/2in Primary Ti Ctd Tri Y Header
