If you're a car audio enthusiast, eventually your sound system will reach the point where it is too powerful for your vehicle's existing electrical system. The first step in upgrading your power system should be a Big 3 Upgrade. Our Big 3 Upgrade kit is specifically designed to help your old electrical system cope with the demands of your fantastic sound system. It allows your electrical system to run at its maximum efficiency while also allowing your amps to run cooler and subs to hit harder.
• Upgrade for your factory battery ground wire, alternator ground wire and alternator power wire
• Premium true-spec OFC wire gives improved sound quality and runs with maximum efficiency
• Flexible insulation wire prevents electrocution, corrosion and damage to components within your car
• Durable and shielded wire that can tolerate heat, vibration and other rough conditions
• Designed for systems 350A or less
