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Main image of Kicker Comp C12 Single 12" Sub Box with Amp Fits 99-06 GMC Sierra Ext Cab | Loaded 12 inch subwoofer design, extended fitment for these trucks, matched mono power included, pre-mounted and wired

Alt view image 2 of 6 - Kicker Comp C12 Single 12" Sub Box with Amp Fits 99-06 GMC Sierra Ext Cab | Loaded 12 inch subwoofer design, extended fitment for these trucks, matched mono power included, pre-mounted and wired

Alt view image 3 of 6 - Kicker Comp C12 Single 12" Sub Box with Amp Fits 99-06 GMC Sierra Ext Cab | Loaded 12 inch subwoofer design, extended fitment for these trucks, matched mono power included, pre-mounted and wired

Alt view image 4 of 6 - Kicker Comp C12 Single 12" Sub Box with Amp Fits 99-06 GMC Sierra Ext Cab | Loaded 12 inch subwoofer design, extended fitment for these trucks, matched mono power included, pre-mounted and wired

Alt view image 5 of 6 - Kicker Comp C12 Single 12" Sub Box with Amp Fits 99-06 GMC Sierra Ext Cab | Loaded 12 inch subwoofer design, extended fitment for these trucks, matched mono power included, pre-mounted and wired

Alt view image 6 of 6 - Kicker Comp C12 Single 12" Sub Box with Amp Fits 99-06 GMC Sierra Ext Cab | Loaded 12 inch subwoofer design, extended fitment for these trucks, matched mono power included, pre-mounted and wired

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Kicker Comp C12 Single 12" Sub Box with Amp Fits 99-06 GMC Sierra Ext Cab | Loaded 12 inch subwoofer design, extended fitment for these trucks, matched mono power included, pre-mounted and wired

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Compatible with 1999-2006 GMC Sierra Extended Cab Truck. This arrangement combines a Kicker Bundle Comp C12 single 12" sub box enclosure with a Harmony HA-A400.1 amp

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Compatible with 1999-2006 GMC Sierra Extended Cab Truck. This arrangement combines a Kicker Bundle Comp C12 single 12" sub box enclosure with a Harmony HA-A 400.1 amp

Additional Information
First Listed on Newegg	August 17, 2026

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Return for refund within: 30 days
Return for replacement within: 30 days
This item is covered by Muxiju Store Return Policy

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Item#: 9SIC8EKM4R3310