running with that much HP and especially with the nitrous the bigger primaries the better, not sure why you would need 4 in exits though 3 would be more than enough
what brand headers are you going with?
what type vechicle?
i'm looking for some big primary tube headers for a proposed 351/418 that will fit my '95 F150. i wonder if a set of fox bodys will work. anyone have suggestions??
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