Upgrading the Harmon kardon speakers in my Hellcat challenger with 10 inch shallow mount kickers and adding a 1000 watt amp. The factory speakers sound good but I wanted more bass and added a bass knob. The upgrade was definitely worth it.

Kicker 43CVT104 10": https://amzn.to/2OIgBMm

Neewer CM14 Microphone for Phone: https://amzn.to/390eFWa

Apple iPhone 11 Pro Max: https://amzn.to/3vKjXPg

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