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These High Performance BBK 351W Swap 1-3/4" Full Length Headers have been designed specifically for any Mustang enthusiast who wishes to swap out the smaller 302 block for a larger/ taller 351W block engine. For nearly 20 years Mustang enthusiasts have made BBK CNC-Series full-length headers the number one choice for their 79-93 351 Performance Mustangs.
Each BBK Full Length Header system is CAD designed and manufactured with 1-3/4" CNC mandrel bent tubing for unrestrictive airflow and a one piece 3/8” laser cut flange for added strength and durability. All BBK exhaust headers are pressure tested to ensure leak free performance.
Each BBK Full Length Exhaust Header system has been designed and dyno-tested at the BBK headquarters in Southern California for maximum performance. Results have shown an additional 18-25 rear wheel horsepower over stock.
BBK’s Mustang Full Length Headers are recommended for built engines and high performance applications.They offer BBK’s distinctive quality that guarantees many years of top performance.
These BBK CNC Series Full Length Headers for the 1979-1993 Mustang 351 Swap Application are available with optional high-temp silver polished ceramic coating or a Chrome finish.
All Exhaust Header kits include new gaskets and hardware.
- BBK full length headers require a BBK short X-Pipe or H-Pipe to complete installation to the cat-back exhaust system- see recommended additional parts
- BBK full length headers fit 5 or 6 speed manual transmissions and C-4/C-6 automatics, but do not fit with AOD/AODE automatics.
These BBK performance parts are NOT CARB emissions certified