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Kicker SubStage Powered Subwoofer Upgrade Kit (14-18 Sierra 1500 Double Cab)

Item S510339
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Market Price $790.94 You Save 12% ($90.99)
Our Price

$699.95 (kit)

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      Product Information

      Features, Description, Specs & Installation


      • Subwoofer Upgrade Kit
      • Upgrades Factory Sound System
      • Excellent Bass Sound
      • Comes With Integrated Power Amplifier, and 10-Inch Round Powered Subwoofer
      • Tough Molded Plastic Enclosure
      • Subwoofer Amplifier Output of 200 Watts RMS
      • Direct Installation
      • One Year Limited Warranty
      • Fits All 2014-2018 Sierra 1500 Double Cab Models


      Get The Bass That You Want. Get that bass sound you’ve always wanted with the Kicker SubStage Powered Subwoofer Upgrade Kit. This subwoofer upgrade kit combines a power amplifier and a 10-inch round speaker all in an enclosure that takes up very little space when installed in your Sierra truck. More importantly, this subwoofer produces 200 Watts of RMS power that’s designed to enhance your factory sound system. The result is a rich, chest-thumping low-end that’s sure to make your favorite music sound better.

      Tough, Custom-Fit Design. The Kicker SubStage Powered Subwoofer Upgrade Kit employs a sealed enclosure that’s manufactured from tough plastic using an advanced precision-molding process. This produces a subwoofer assembly that’s custom-fitted to your truck. Moreover, this enclosure is designed to maximize low-end frequencies, ensuring you get the best bass sound possible relative to its size.

      Direct Install Procedure. The Kicker SubStage Powered Subwoofer Upgrade Kit directly mounts underneath your passenger side rear seat without the need for modifications. Also, all mounting hardware and harnesses are included for convenience.

      Backed by a 1-Year Limited Warranty. The Kicker SubStage Powered Subwoofer Upgrade Kit is backed by a 1-year limited warranty covering workmanship and material defects. Please visit the manufacturer’s website for more details.

      Application. The Kicker SubStage Powered Subwoofer Upgrade Kit fits all 2014-2018 GMC Sierra 1500 Double Cab models.

      Fitment: 2014 2015 2016 2017 2018 Details

      MPN# SSIEXT14

      CA Residents: WARNING: Cancer and Reproductive Harm -

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      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Subwoofer Assembly
      • (1) Subwoofer Harness
      • (1) Power Harness
      • (1) Adaptor Harness
      • (1) Fuse
      • (2) Wire Taps
      • (6) Wire Ties

      Will It Fit My Sierra 1500

      • 4.3L V6 - 14, 15, 16, 17, 18
      • 5.3L V8 - 14, 15, 16, 17, 18
      • 6.2L V8 - 14, 15, 16, 17, 18