GMC Upgrades

GMC Bluetooth
GMC iPod & iPhone Car Adapters
GMC Android Car Adapters
GMC AUX Input Adapters
GMC Navigation & Video Bypass
GMC HD Radio Kits
GMC High Output Alternators
GMC Radio Interfaces
GMC Wiring Harnesses
Custom GMC Audio Packages
GMC Backup Cameras
GMC Car Stereos
GMC Radar Detector Mounts
GMC Security & Remote Start
GMC Speaker Adapters
GMC Subwoofers & Sub Boxes

Top Sellers in GMC Upgrades

Radio Replacement Interface for Select 2000 - 2013 General Motors Vehicles

• Provides accessory power (12-volt 10-amp)
• Retains R.A.P (retained accessory power
• Retains R.A.P (retained accessory power
• Designed for non-amplified models / analog amplified models / or when bypassing a factory amp

$39.95

IN STOCK

5-1/4" - 6-1/2" Speaker Adapter Bracket for Select 1995-2015 GM Vehicles

• 5-1/4" - 6-1/2" Speaker Adapter Bracket
• For Select 1995-2015 GM Vehicles
• Sold in pairs

$9.99

IN STOCK

Wiring Harness for Select 1998 - 2009 GM Vehicles

• Car Harness For Select 1998-Up GMC Vehicles
• Plugs Into Car Harness
• High Quality Factory Plug
• GXL Wire Provides Flexibility And Handles More Power
• OEM Quality

$5.97

IN STOCK

5-1/4" or 6-1/2" Speaker to 6" x 9" Mounting Hole Adapters

5-1/4" or 6-1/2" Speaker to 6" x 9" Mounting Hole Adapters • Mount your pair of 5-1/4" or 6-1/2" speakers in a 6" x 9" mounting hole

$8.99

IN STOCK

5-1/4" or 6-1/2" Speaker to 6" x 9" Mounting Hole Adapters (Same as Metra 82-6901)

The SA69 speaker adapters fit most aftermarket 5 1/4" and 6 1/2" speakers into 6 x 9" factory openings

$12.99

IN STOCK

GM LAN Data Bus Interface with Chime Retention for Select GM Vehicles

• GM LAN Data Bus Interface with Chime Retention
• For Use in Non-Amplified Vehicles
• Does Not Retain Onstar
• Retains All The Factory Warning Chimes
• Retains R.A.P.

$44.99

IN STOCK

Factory Amplifier Bypass Harness for Select 1998-2004 GM Vehicles

• Factory Amplifier Bypass Harness For Select 1998-2004 GM Vehicles
• Factory Amplifier Harness Includes 17ft. Of 16 Gauge Wire
• Harness Can Be Plugged In At Factory Amp And Ran To Location Of Aftermarket Radio/Amplifier

$27.99

IN STOCK

Only 2 Left!

Radio Replacement Interface for Select 2000-2011 GM Class II Data Bus Vehicles

• Class 2 Data Bus Interface For Select GM Vehicles
• Provides A 12V DC 3 Amp Accessory Output
• Built-In Speaker Retains Warning Chimes

$41.99

IN STOCK

Dual 12" Subwoofer Enclosure for 99-07 Chevy Silverado and GMC Sierra Extended Cab Trucks

• 12" Dual Medium Down-Firing Subwoofer Enclosure
• For Select GM Trucks
• Designed Specifically For Chevy Silverado or GM Sierra Extended Cabs 1999-2007
• Premium Carpeted Finish
• Glued & Braced MDF Construction
• Rounded Edges

$79.99

IN STOCK

Only 2 Left!

ADBOX Aftermarket Stereo Installation Harness for Select 2000-Up GM Vehicles

• Axxess ADBOX Aftermarket Stereo Installation Harness
• For Select 2000-Up GM Vehicles
• Connects Aftermarket Stereo Harness To Vehicles Factory Harness
• Made From OEM Quality Materials
• Works With AX-ADBOX1 and AX-ADBOX2

$19.99

IN STOCK

GM Data Interface with Chime & Backup Camera Retention for Select 2016-Up Non-Amplified GM Vehicles

• Provides accessory power (12-volt 10-amp)
• Designed for non-amplified models, or when bypassing a factory amplifier
• Retains R.A.P. (retained accessory power)
• Retains chimes through an onboard speaker
• Retains balance and fade
• Provides NAV outputs (parking brake,reverse, and speed sense)

$59.99

IN STOCK

Interface Module that Allows the Addition of an Amplifier in Select 2006 - 2013 General Motors Vehicles [Chevrolet, GMC, Cadillac, etc...]

• Interface Allows Replacement Or Addition Of Amp
For Select GM Vehicles
• Interface Is Transformer Isolated
• Linear From 20-20,000 Hz
• Input Connects To Factory Stereo/Vehicle Harness

$38.99

IN STOCK

Polk Audio DB+ 6.5" Component Speakers Plug and Play Installation, No Cutting Required

• 300 Watts Max Each, 100 Watts RMS Each
• 0.75" shallow tweeter design
• Polypropylene UV tolerant cone
• 4 Ohms Impedance
• Sensitivity: 92dB
• Mounting Depth: 1.77"
• IP65 rated
• Installation Kit for 2005-15 GM Vehicles

$169.98

A PAIR

IN STOCK

USB Adapter to Retain the OEM USB Port in Select GM and Chrysler Vehicles

• USB Adapter To Retain OEM USB Port
• For Select 2010-14 GM and Chrysler Vehicles

$2.95

IN STOCK

Only 2 Left!

Stealthbox for Select 2014-Up Chevrolet Silverado, GMC Sierra, Front Bucket Seats and OEM Console

• Loaded Vehicle Specific Stealthbox Subwoofer Enclosure with Single JL Audio 10TW1-2
• 300 Watts RMS Power Handling
• Stealthbox Installs Under Center Console

$599.99

SPECIAL ORDER

Ships at Later Date

7" Speaker Adapters (Fits 5-1/4" + 6-1/2" Speakers) (Pair)

Universal 7" Speaker Adapter • Fits 5-1/4" and 6-1/2" aftermarket speakers in most GM and Toyota vehicles

$9.99

IN STOCK

Only 1 Left!

Reverse Wire Harness to Connect an Aftermarket Stereo Receiver to Select 1988-2005 GM Vehicles

• Reverse Wiring Harness Provides Easy Connection Directly To Factory OEM Car Stereos
• No Cutting Wires

$8.95

SPECIAL ORDER

Ships at Later Date

Add Bluetooth Hands Free Calling and Music Streaming to iSimple Gateway iOs Smartphone Integration Kits

• iSimple ISBT21 BluStream Bluetooth Upgrade Module
• For Use with iSimple GateWay Interfaces
• Compatible with iPhone, iPhone 3G, and iPhone 3GS
• Able to Pair up to 8 Cell Phones
• A2DP Streaming Capable
• Automatic Muting for Incoming Calls
• Easy and Quick Installation

Save 10% off the Bluetooth Adapter for Your Gateway Kit!

$69.95

IN STOCK

Single 10" Subwoofer Enclosure for 1999-2007 Chevy/GMC Trucks

• Single 10" Down Firing Subwoofer Enclosure
• Designed Specifically for 1999-2007 Chevy Silverado and GMC Sierra Extended Cab Trucks
• Premium Carpeted Finish
• Glued & Braced MDF Construction
• Rounded Edges

$57.99

IN STOCK

iSimple Factory Auxiliary Audio Input Interface

• Factory Auxiliary Input Interface
• Integrates Audio Source Directly Into Factory Radio
• Direct Audio Inputs For Excellent Sound Quality

$58.97

IN STOCK

Only 3 Left!

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