At our Dover location, we transformed this 2025 GMC Sierra 2500HD with a massive Hertz audio upgrade — designed for power, clarity, and deep bass that hits hard. 🔊 System Includes: Hertz CX 165 – 6.5" 2-Way Coaxial Speakers (with optional grilles) Hertz CPK 690 – 6x9" 2-Way Kit with woofers, tweeters, and crossovers Hertz MP250D23 – 10" 1200W Dual 2 Ohm Subwoofer Hertz SR 5.600 – 5-Channel Amplifier (4 x 75W 1 x 330W RMS at 4Ω) This build delivers crystal-clear highs, punchy mids, and massive l
At our Dover location, we transformed this 2025 GMC Sierra …
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FacebookSound of Tristate
GMC Sierra 2500 HD makes clicking noise and won't start - causes and how to fix it
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