Ford Crown Victoria | Mercury Marauder | Grand MarquisForum for discussion of the Ford Crown Victoria, Mercury Marauder and Mercury Grand Marquis.
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hi everyone. im new to these forums and i want to know what cold air intake is best for my car and what are the pros and cons. also i want to know what perfomance gain i can get and if it can save gas but im not worried about that very much. its a 4.6L v8, dual exhaust with 2 flowmaster 40's with 3" turndows after about 6" in length. thanks.