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mustang 1989 venom 400

  1. 5.0L Tech
    ok i bought a 1989 mustang LX from a friend and it came with this venom 400 control module and i looked it up and it says that it increases my horsepower by 25% does anybody know anything about this venom thing and or have one and how much horsepower does my 5.0 have :headscratch: