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The BBK 1-5/8" Shorty Equal‑Length header kit for 1997–2003 Ford F‑150 4.6L and 1997–2002 Expedition 4.6L is a direct bolt‑on replacement offering improved exhaust flow and scavenging. CNC mandrel‑bent primaries, a titanium ceramic finish and supplied gaskets and hardware make installation straightforward. The kit is CARB‑approved for 50‑state use and cites an 8–15 HP increase in appropriate applications.
BBK 97-03 Ford F Series Truck 4.6 Shorty Tuned Length Exhaust Headers - 1-5/8 Titanium Ceramic
