Ford Crown Victoria | Mercury Marauder | Grand Marquis | P71Forum for discussion of the Ford Crown Victoria, Mercury Marauder, Mercury Grand Marquis and P71.
Ok, I just bought a 2004 P71 and I intend to do some mods under the hood. I have around $400-$600 to spend. I would like some suggestions on how to get the most HP outta that money. Thanks
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