i will be installinga new system into my new Yukopn xl soon. Will be running (2) fosgate punch 800a2's mono to each 12" DaVinci sub. Also running a fosgate punch 600a4 to CDT hd series seperates and braxials. Using 0 ga from battery then 2 /4 rest of the way so do you think i will nned a higher output alt, anyone? Since this suv has towing package and 4wd it already has a heavy duty alt not sure of size but i need advice. and if i need to get a ho alt where is agood place without putting a big hole in my wallet.