i going to run 2 400w mono amp one per sub. u think i would need a cap. and if so how do i choose. like cause there 6cap. and digital.//content.invisioncic.com/y282845/emoticons/crazy.gif.c13912c32de98515d3142759a824dae7.gif please help
Don't use a cap.
If you have electrical problems, go about solving them the correct way.
But, there is no way for us to know if you'll have electrical problems or not. The only thing you can do is hook it up and see how your car handles it. There are far too many variables to take into consideration.