Sep 27, 2012 · The Big 3 Upgrade is an electrical upgrade that improves the performance of your audio system and lets you run more powerful equipment. Learn more here!

Jun 1, 2024 · Unlock your vehicle's full electrical potential with the Big 3 Upgrade. Reduce voltage drops, enhance audio performance, and extend the life of your car's electrical components. Learn how this essential upgrade can power your aftermarket audio systems, lights, and more.

Aug 15, 2022 · For many car audio systems, a Big 3 upgrade can vastly improve your vehicle’s electrical system. Amplifiers, subwoofers, speakers, and other components pull power and can stress your electrical components.

The “Big 3” upgrade can not only improve the performance of your audio system, it can also enhance the performance of the entire electrical system for your vehicle (which can lead to improved fuel economy or additional horsepower). In other words, upgrading the “Big 3” is almost always a good idea.

The Big 3 upgrade allows you to compensate for the factory wiring being subpar once you start adding aftermarket equipment. This upgrade also gives you a necessary upgrade path towards a high-performance alternator.

The Big 3 Upgrade reduces electrical resistance in critical power paths, allowing your car audio components to receive cleaner and more stable power. As a result, your audio system will likely experience less distortion, improved dynamic range, and better overall audio clarity.

We offer Big 3 Upgrade Kits in 2/0 AWG, 1/0 AWG, and 2 AWG for Top Post Batteries and Side Post Batteries. If you own a vehicle with a rear mounted battery, we can custom build a kit to suit you.

Feb 3, 2025 · The Big 3 upgrade in car audio involves replacing the three main electrical components: the alternator power wire, battery ground wire, and engine ground wire. The upgrade improves power delivery to your amplifiers, reduces electrical stress, and …

Skar Audio's Big 3 electrical wiring upgrade kits are the perfect solution when looking to improve the electrical system in your vehicle. Utilizing high performance oxygen free copper wire and featuring pre-terminated, these cables are ready to go making for an easy installation.