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stock 99 first mods

  1. 4.6L Talk
    Hi there, New to the forums. I just picked up a 35th Ed Black 99 GT Convertible and the only mods done to it would be on the suspension / exhaust. So I'm looking on some suggestions on where to go from here. What would you do to a stock motor? P.s. I don't really want to sacrifice to much gas...
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