I have 2 - Skar ZVX-18v2 D1 going in a 2002 Chevy Suburban. Please provide amp recommendations (1 or 2) & decent alternator upgrade. Also, I've seen numerous box builds but not sure which is best & what's the difference in mounting with sub face up or face down 🤷🏾♂️
Help me be great😁
Thanks👍🏾