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  1. Exhaust Parts
    BBK Longtubes (#1516) and X-Pipe (#1660) for 5.0 Fox Body Mustangs. Headers have 1 5/8" primaries and 2 1/2" collectors. X-Pipe has no cats, and has 2 1/2" tubing. I will also throw in a used set of O2 extensions (a MUST to connect your O2 sensors to the factory wiring harness). $300 OBO for...