hi ! I have a 496 800 hp 800 lb/tq custom made run up to 7500 rpm and 2 carb holley 750 cfm on top. I try to have the spec of different kind of flame arrestor for the cfm flow but im not able to get it so can you help me to find the good one ? better to take a gaffrig 2 carbs flame arrestor ? 2 single ? thank you for your help ! I need the max flow possible thank you