BBK shorty unequal-length headers for 1979–1993 Mustang fitted for a 351 swap use CNC mandrel-bent 1.625" tubing to improve exhaust flow and support higher power output. These direct-fit headers include new gaskets and hardware, a robust 3/8" laser-cut flange, and are available in titanium ceramic finish for high-temperature durability. They enable 351W-based swaps while retaining factory-style exhaust compatibility.
BBK 79-93 Mustang 351 Swap Shorty Unequal Length Exhaust Headers - 1-5/8 Titanium Ceramic