Without car speakers, car rides would be silent and dreary. Any user assumes the entire risk as to the accuracy and use of this information. Sound Off Audio specializes in manufacturing quality speaker boxes Made in the USA for public and wholesale at affordable prices. Josh M, Black '08 SLT Sierra Paint Booth Manager Growing up, my Dad always had Chevy or GMC trucks. Back; Truck Parts & Accessories Premium Forum Memberships More. Kicker SSICRE14 Powered Subwoofer Upgrade Kit For 2014-Up Chevrolet Silverado & GMC Sierra … Front Dr Speaker, Right. It is a good value for what you get. Future Silverado / Sierra & Spy Shots 2022 GMC HUMMER EV 2019-2021 Silverado & Sierra 1500 2020 Silverado HD & Sierra HD 2014-2018 Silverado & Sierra (K2XX) 1999-2013 Silverado & Sierra (GMT-800/900) 2015-2021 Colorado & Canyon Clubs; Gallery; Store. The 2015 GMC Sierra 1500 lineup comprises a set of pickups aimed at a wide range of uses, from personal transportation to purpose-built tow rigs, farm or ranch haulers, or off-road machines. It is a good value as long as you have enough uses for a truck. We researched stereo, speaker sizes and aftermarket accessories to see what will install 2015 GMC Sierra 1500 - Car audio, speakers, and stereos Chevrolet Silverado 1500 Crew 14-18 Factory Speaker Upgrade Harmony R69 R65. With AmpPRO, you are now able to dramatically improve audio quality while keeping the factory radio fit, finish, and features. See more ideas about gmc sierra denali, sierra denali, gmc sierra. Select your vehicle below and let Crutchfield's vehicle database find the stereos, speakers, and other products that fit your specific model. GMC has added it to the full size trucks and now the Terrain. We designed all of our sub boxes and tested them before making available to you. The light-duty GMC Sierra is the 1500. Chrome shell, user programmable, a HUGE upgrade over the OEM fobs. CHEVROLET SILVERADO GMC SIERRA 2014 UP PIONEER 8 INCH RADIO Designed specifically for the Pioneer DMH C5500NEX 8 inch radio Painted gunmetal gray : METRA $13.99: Part# 17655 GM TRUCKS 14 UP 6X9 PLATE Vehicle specific spacer designed for installation of 6x9 aftermarket speakers one pair of adaptors included in each package Tahoe & Yukon. Speaker 1: Today we're going to be taking a look at the best vehicle suspension options for your 2015 GMC Sierra 1500. Also compatible with 2015 - 2019 Chevrolet Silverado / GMC Sierra Double Cab 2500/3500. Shop with Edmunds … 2014-2018 Chevrolet Silverado 2014-2018 GMC Sierra. Dakota P. I am not positive on the price. Will work in 2019 1500 Silverado LD and 2019 Sierra Limited (old body style) only. Kicker CX Series 4-Channel Amplifier with AmpPRO Amplifier Interface Module (14-18 Silverado 1500) $455.99. ZNA This Package Includes the Following Items: 1 x Harmony Audio HA-R69 Car Stereo Rhythm Series 6x9" Replacement 450W Speakers. Full audio system upgrade from Illusion, Gladen, Mosconi, Audiomobile, JL Audio, and Stinger electronics. GMC Sierra with Enhanced Audio Speaker System with Amplifire / with Enhanced Speaker System 2015, GM Original Equipment™ Rear Door Speaker by ACDelco®. GMC Sierra 2500HD 3500HD Ext 2015-2019 Factory Speaker Upgrade R69 R65 HA-A400.4 It just says to go to GMC's Canadian website for software updates. Want some great sounding bass in your Silverado or Sierra and want your subwoofer enclosure to look great? 4308. my truck is a 2006 gmc 2500hd. 3.8 out of 5 stars 15. MVI is proud to offer the factory GMC Apple Carplay and Android Auto upgrade for your new 2014 – 2016 GMC Truck or SUV. Im going from a IO4 to IO6 so my upgrade isnt as complicated, but they are able to do the IO3 upgrade. Taking its name from the top trim level from the Chevrolet C/K series, the Silverado is offered as a series of full-size pickup trucks, chassis cab trucks, and medium-duty trucks. In fact, with performance truck mods and custom parts for the GMC Sierra, taking your truck from drab to fab is simple. Auxiliary Jack. Edmunds' expert review of the Used 2018 GMC Canyon provides the latest look at trim-level features and specs, performance, safety, and comfort. Radios & Receivers Bluetooth Controllers & Kits Amplifiers All Speakers Sound Bars & Pods Subwoofers & Enclosures Vehicle Specific Audio Packages & Bundles Accessories & Install Parts Specials Outlet and open box GMC Sierra Nerf Bars […] Save on the Harmony Audio Bundle Compatible with 1999-2006 GMC Sierra HA-R5 HA-R46 New Factory Speaker Replacement Upgrade Package With HA-823002Speakers Adapter Kit for 84.95. Find your perfect car with Edmunds expert reviews, car comparisons, and pricing tools. 1. Would simply replacing the basic speakers with the GM BOSE speakers (eBay, etc.) make much of a difference? Does the Bose upgrade add an amplifier... (1) Boom Mat Speaker Performance Kit. Stealthbox® for 2011-2015 Chevrolet Camaro Convertible. A Speaker and Subwoofer Upgrade Gets a 2015 GMC Sierra Rockin' Below is a list of complaints & problems filed against the 2015 GMC SIERRA.These problems includes information received by NHTSA from consumers either directly or as recorded by the Vehicle Safety Hotline. Im going from a IO4 to IO6 so my upgrade isnt as complicated, but they are able to do the IO3 upgrade. Feb 24, 2016. my truck had Bose in but the previous owner replaced them with some junk speakers and a lot tweeters . The RPO codes will be listed in alphabetical order in either scenario. Joined Feb 12, 2015 ... doing an audio upgrade, and was wondering if anyone has changed out the dash speakers in the 2014+ silverado, and if so how you did it? SSIEXT14. Reviews If you are like most people, you spend more time listening to music in your car than any other place. From what i was told, after the upgrade you will have chevy mylink and bluetooth and what not. Compare. Would have contemplated drilling if I was running normal 16ga wire. ... That's what I was going to use on my 15 Sierra. Also compatible with 2015 - 2018 Chevrolet Silverado / GMC Sierra Crew Cab 2500/3500. The front stage is powered by an HD600/4 four-channel amplifier. Two channels run the 6×9’s and the other two channels power the dash speakers through a GB410c passive crossover network. An XD200/2 amplifier powers the rear door speakers. Finally, an HD1200/1 is assigned to the subwoofers. The radio is a snap to install in your GMC Acadia Savana Sierra or Yukon. GMC is a rough, tough brand that’s always as ready for the road as you are. Categories. Do you need a US Market or Export Cluster (MPH or KPH) US Market (MPH) Export (KPH) × US Market (MPH) WAMS Supplied NEW US Spec Cluster. 95. I had the exact same set up. Added a sound processor and a 5 channel amp. Swapped front with infinity kappa components. Tweeters were mounted by th... Sent from my SM-G900V using Tapatalk. ( 28 customer reviews) $ 649.99. Free shipping in USA. I cut the wires because at the time of my installations metra adapters were not available. Bolt on modern reliability! Kicker CX Series 4-Channel Amplifier with AmpPRO Amplifier Interface Module (14-18 Silverado 1500) $455.99. Extended warranties are also available! Vehicle VIN *. Alpine Restyle Nav Upgrade for GMC Sierra Denali A client recently came to us from the Brandermill area of Midlothian who apparently had a navigation system already installed in his 2013 GMC Sierra Denali when he purchased it from a dealer, but just couldn’t stand the way it operated. SKU: HA-SPK-PACKAGE2718. TRS offers LED projector fog lights from Morimoto and J.W. Alpine Restyle Nav Upgrade for GMC Sierra Denali A client recently came to us from the Brandermill area of Midlothian who apparently had a navigation system already installed in his 2013 GMC Sierra Denali when he purchased it from a dealer, but just couldn’t stand the way it operated. The MTI Acoustics Stage 1 Under Seat Enclosure is the perfect solution! RAM 1500/2500/3500 Trailer T-Harness. Figured out you are referencing a different manual, a separate IntelliLink manual which I don't have a printed copy of, but found online. From what i was told, after the upgrade you will have chevy mylink and bluetooth and what not. Bolt on modern reliability! what are great sounding speaker package to put back in it . With its’ plug-n-play harness and module, professional installers or experienced do-it-yourselfers can upgrade a factory sound system in record time! 22990883 . Escalade, lower. GMC Sierra (07-13) GMC Sierra (14-18) Jeep Wrangler (07-18) ... output! ♦Air Volume: 0.65 Cubic Ft. ♦Mounting Depth: 5 3/4" for 10; 5 1/2" for 12. ***No download available, hardware update only***. AP4-GM61. 2015 GMC Sierra System Upgrade. This pod installs over the factory grille and provides a perfect platform for your dual 6.5" speaker setup. $1,200.00. 4307. Trucks looks and sounds amazing. Author Our Car Audio designed for 2015 GMC Sierras are backed by our 1-year lower price guarantee. I just went to Walmart and got some A/C trim/insulation foam. And used some 3M spray adhesive. Also important to note is attach the phone to the sp... Restore the sound quality of your audio system GM-recommended replacement part for your GM vehicle's original factory speaker. with bose audio. 2014-2015 GMC SIERRA INTELLILINK® IO6 2.0 HMI GPS NAVIGATION RADIO UPGRADE! 2015-2016 GMC SIERRA CREW; Look no further and buy one of our subwoofer boxes for your GM Sierra Crew. 2019 - 2021 Chevy Silverado and GMC Sierra HDMI Mirroring Kit with Camera Functionality Ram CarPlay and Android Auto Video and Navigation Portal 2019 - 2021 Ram Wireless Cell Phone Charger Upgrade With its’ plug-n-play harness and module, professional installers or experienced do-it-yourselfers can upgrade a factory sound system in record time! Yes the speakers make a noticeable difference in clarity and volume. Let me find my post I did on my upgrade and I will link it here. http://www.gm... All; Parts; Accessories; Accessories & Fluids . Also compatible with 2015 - 2018 Chevrolet Silverado / GMC Sierra Crew Cab 2500/3500. i know they dont make a direct replacement for these as of yet. Hennessey offers several upgrades for the 2019-2021 GMC Sierra 6.2L V8 truck. Then, my god. No fiberglass, no bondo. 2015 GMC Yukon and Yukon Denali revealed (w/VIDEO) By Bob Nagy 09/12/2013 2:30am. The sound system in the demo trucks uses Audiofrog GB-Series components in the doors and dash, a pair of JL Audio 12TW3 subwoofers under the rear seat, and an Alpine Restyle head unit replacement. Rated 5.00 out of 5 based on 28 customer ratings. We utilize only Genuine GM parts to make this GMC CarPlay and Android Auto upgrade possible, so we offer the ultimate factory solution that most other companies can not offer. ♦07-20 2500HD/3500HD Extended Cab. Find GMC Sierra 1500 audio systems and upgrades. Reviews . The 2015 GMC sierra 1500 sle costs about 27,000 dollars. 1 x Chevy GMC Multi Model Factory to Aftermarket 6x9" Speakers Adapter Kit. SGMX65 - Subwoofer Box. The Canyon is the last for the upgrade. With and without remote start. SKU: HA-SPK-PACKAGE2550. What foam did you use for the speakers? I've heard this is a must to help with the sound bouncing around inside the trim pad. ZNA $ 79.00 – $ 491.00-Quick View. Speaker that are designed for today’s most popular cars, trucks, and SUV’s. Pre-owned GMC Sierra 1500 models are available with a 5.3 L-liter gas engine or a 4.3 L-liter flex-fuel (FFV) engine, with output up to 355 hp, depending on engine type. GMC Sierra. Harley stereo upgrade on this 2015 Harley Street Glide April 21, 2021 By Ocala Car Audio A local client recently brought his 2015 Harley-Davidson Street Glide to Ocala Car Audio for a sound system upgrade. This Package Includes the Following Items: 1 x Harmony Audio HA-R69 Car Stereo Rhythm Series 6x9" Replacement 450W Speakers. All orders for GMC vehicles will be sent with the original RED theme unless otherwise indicated. 2021 GMC Sierra 1500 Pickup Crew Cab. Direct replacement for your factory fobs. … GMC Sierra 1500 Ext Cab 2014-2018 Factory Speaker Upgrade R69 R65 & HA-A400.4 GMC Sierra (07-13) GMC Sierra (14-18) Jeep Wrangler (07-18) ... output! 2015 GMC Sierra 2500 HD Change Vehicle . Vehicle. ♦Down Firing Enclosure. Simple Install - No Modifications KICKER delivers the thrill and musical accuracy of a live-concert experience minus the crowds, putting high-performance audio specifically made for your vehicle right there in your front seat. Choose Options. The Chevrolet Silverado is a range of trucks manufactured by General Motors under the Chevrolet brand. Powered Subwoofer Upgrade System for 2014 - 2019 Chevrolet Silverado / GMC Sierra 1500 Double Cab. Find car audio and electronic upgrades that fit your 2015 GMC Sierra 1500. 2021 GMC Sierra 1500 Pickup DoubleCab. Hennessey Performance is home to the largest lineup of late-model high-performance sports cars, muscle cars, supercars, trucks & SUVs. Will work in 2019 1500 Silverado LD and 2019 Sierra Limited (old body style) only. This recall affects the 2014 Chevrolet Silverado LD, 2014 GMC Sierra LD, 2015 Chevrolet Silverado HD, 2015 Chevrolet Tahoe, 2015 Chevrolet Suburban, 2015 GMC Sierra HD, 2015 GMC Yukon and 2015 GMC Yukon XL models. ♦Single 10" or 12" Speaker Enclosure. With the best selection of 2015 GMC Sierra Car Audio around, you can bring your GMC Sierra to the level it should have left the GMC factory with using Car Audio. And, our assortment of GMC Sierra upgrades is full of top-of-the-line products. Did you use the metra plug adapters for the speakers or just cut the wires and made your own terminals? Due to high development cost they generally save many of these changes till they make platform upgrades. SB-IN-G35CPE/10W1v3 Stealthbox® for 2003-2007 Infiniti G35 Coupe. The upgraded receivers, which you’re more likely to have in your truck, were 7” and 8” LCDs with ever more built-in options. Introduced for the 1999 model year, the Silverado is the successor to the long-running Chevrolet C/K model line. There's nothing quite like the feeling of singing along to your favorite tunes or … With AmpPRO, you are now able to dramatically improve audio quality while keeping the factory radio fit, finish, and features. Go beyond replacing your factory speaker. $79.95 $ 79. Sign up for Kelley Blue Book newsletters. The largest recall involves 69,500 2014 Chevrolet Silverado LD, 2014 GMC Sierra LD and 2015 Silverado HD, Tahoe and Suburban and 2015 GMC Sierra HD and Yukon and Yukon XL models worldwide, 57,512 in the U.S. because the “base radio may not work, preventing audible warnings if the key is in the ignition when the driver’s door is opened. Feb 6, 2016. So, this is what you will need for the upgrade: CDT CL-61A.2-25 PRO CDT Audio Classic 2 Ohm 6.5” 2-Way Component Speakers (you will not use the supplied cross-over or tweeter mounting pieces) Boom Mat 6.5" Round Speaker Baffle Torx sockets including an extender (for the right front door) thanks for the info, this is something I have been wanting to do but wasnt sure what speakers to use. I would recommend the upgrade, too. So far I have swapped the front door speakers and the in-dash tweeters. The dash speakers didn’t seem much diff... Console assembly, without eassist. The 16 Acadia had only a couple things but my new gen 17 got lane control, auto brake, auto braking 360 camera and more. We got a really good deal on ours though through the dealership. ♦07-20 1500 Chevrolet/GMC Silverado/Sierra Extended Cab. Upgrade your headlights today to enhance your visibility by up to 5 times over standard halogen bulbs. GMC Sierra 1500 Parts & Accessories. All the receivers are housed in the same enter dash cluster, so the removal and replacement process is pretty much the same, too. Based on the same GMT800 platform as the Chevy Silverado, the GMC Sierra features a lot of the same top-quality characteristics along with a number of unique luxury options. Specs: GMC Sierra Denali Stereo Design Process. Upgrade your stereo system and add more speakers. Kicker PowerStage Amplifier and Powered Subwoofer Upgrade Kit (16-18 Silverado 1500 Crew Cab w/ Base Audio) $1,249.95. The best online destination and local store solution for all of your Truck and Jeep off-roading needs! Your Sierra 1500 embodies everything great about these trucks, with nearly 5 tons of towing capacity, 2 tons of payload capacity and all the space you could ever need. Top 10 Sierra Mods & Upgrades Trickin’ out your truck doesn’t have to be a cumbersome activity. Please verify all wire colors and diagrams before applying any information. Powered Subwoofer Upgrade System for 2014 - 2019 Chevrolet Silverado / GMC Sierra 1500 Double Cab. I bought this 12ga twisted pair speaker wire from knu koncepts that is super thick. Sep 10, 2011. what is a goo speaker upgrade over the factory speakers ... 2015 … Find Xenon HID headlights and LED headlights for your 2015 GMC Sierra 1500 below. Escalade ESV. TRS offers LED projector fog lights from Morimoto and J.W. Secondly, the needs of users are growing, requirements are increasing and the needs are changing for gmc intellilink software update 2015. karen | 2013 SRX on:2010-2015 Cadillac SRX Owners Still Battling With Headlight Problems Jofa on: Cadillac, Buick And GMC Sitting Out 2021 … Table of conTenTS Sierra/yukon/canyon 2015 GMC deTAIls book A leTTeR FRoM YoUR INTellIlINk MARkeTING Te AM GMC’s Professional Grade trucks get an amped-up Intellilink for the 2015 Model Year with features that include: • siri eyes Free to enable iPhone users to access more of their phone’s features through the radio Home › Forum › GMC › Recommended replacement headlights for 2015 Sierra This topic contains 3 replies, has 3 voices, and was last updated by gmctc 3 years, 2 months ago . Does not affect user functionality. Once I could save up enough money to buy one, I got a 2008 GMC Sierra, SLT, 1500 series, with the Z71 off-road package. Choose your Sierra. IOS Audio system, 8" diagonal GMC Infotainment System, includes multi-touch display, AM/FM/SiriusXM stereo, Bluetooth streaming audio for music … Bolt on a new look! Simple Install - No Modifications KICKER delivers the thrill and musical accuracy of a live-concert experience minus the crowds, putting high-performance audio specifically made for your vehicle right there in your front seat. ... 2014-18 SILVERADO CREW CAB DEEP SINGLE 12" SPEAKER BOX $199.00. Also compatible with 2015 - 2019 Chevrolet Silverado / GMC Sierra Double Cab 2500/3500. MVI is proud to offer the factory GMC Apple Carplay and Android Auto upgrade for your new 2014 – 2016 GMC Truck or SUV. The sound system in the demo trucks uses Audiofrog GB-Series components in the doors and dash, a pair of JL Audio 12TW3 subwoofers under the rear seat, and an Alpine Restyle head unit replacement. Center Console for 2015 GMC Sierra 2500 HD. Find GMC Sierra 1500 audio systems and upgrades. Free shipping on GMC Sierra 1500 car stereo, speakers, subwoofers, and installation accessories. GMC Sierra 1500 Audio Upgrades: Radio, Speaker, Subwoofer, Stereo | Sonic Electronix Subscribe Access exclusive offers, news and more. By clicking 'Sign Up' You agree to Terms of Useand Privacy Policy. Here I redone my post with pictures on my blog. http://moondogg.com/truck/1/ Disclaimer: * All information on this site ( the12volt.com ) is provided "as is" without any warranty of any kind, either expressed or implied, including but not limited to fitness for a particular use. SSIEXT14. If you find Car Audio for your 2015 GMC Sierra elsewhere for a lower price, we'll beat it by $1. Find what Fits your car. Get discount prices, fast shipping and ultimate product help when shopping for 2015 GMC Sierra 2500 HD Parts at 4 Wheel Parts. The 4.2” LCD base radio is an AM/FM radio with four speakers. ... An AMAZING upgrade for Jeep owners! Free shipping and lifetime warranty included on all purchases! 2015 Style GM key fobs retrofitted to fit 1993-2014 GM full size trucks. 1 x Chevy GMC Multi Model Factory to Aftermarket 6x9" Speakers Adapter Kit. Free shipping on GMC Sierra 1500 car stereo, speakers, subwoofers, and installation accessories. Remove. Escalade ESV, console base. We utilize only Genuine GM parts to make this GMC CarPlay and Android Auto upgrade possible, so we offer the ultimate factory solution that most other companies can not offer. A simple plug-and-play installation will make driving safer in low visibility conditions. This information may be used by NHTSA during the investigation process. GMC Sierra 2500HD 3500HD Crew Cab 2015-2019 Factory Speaker Upgrade R69 R65 New. 2014-19 (K2XX) Denali Cluster Upgrade Kit. Minor hardware change. NOTE FOR GMC CUSTOMERS ONLY – Please indicate in a note whether you would like to retain the 2014-2016 RED theme for the infotainment system or the newer 2017-2018 BLUE theme. Product Description: Easily add dual 6.5" speakers to the front door of your Silverado or Sierra. (1) Boom Mat Speaker Performance Kit. First, new technologies are emerging, as a result, the equipment is being improved and that, in turn, requires software changes. 2014-2015 GMC Sierra IntelliLink® IO6 GPS Navigation Radio Upgrade INTRODUCTION Our genuine brand new GMC® navigation HMI modules feature a 90-day guarantee and a hassle-free return policy. Nov 5, 2017 - 2015 GMC Sierra 2500 Denali HD we finished up this week. Last year in 2015 they worked with the exact upgrade you describe in the GMC Seirra/Chevy Silverado and they successfully have done it. Bolt on a new look! This Sierra speaker is powered by the Sierra amplifier, so make sure to bypass this when upgrading your Sierra stereo. Kicker PowerStage Amplifier and Powered Subwoofer Upgrade Kit (16-18 Silverado 1500 Crew Cab w/ Base Audio) $1,249.95. Amplifier Integration Interface for Select GM vehicles with Bose system. ... 2016-2019 Chevrolet Silverado/GMC Sierra Trailer Camera T-Harness. Firmware Download, Version 1.1.2.12 (Released on January 20th, 2021) Release Notes. Easy install, pre-fabricated speaker pods for your Silverado, Sierra, Tahoe, Suburban, Yukon, Escalade, Denali, Avalanche. Speaker that are designed for today’s most popular cars, trucks, and SUV’s. Our jounce-style springs are going to be great for somebody who carries the same load, or has the same camper or whatever it may be, all the time. Appearance Products ; ... Receptacle Asm-Audio Plyr & Usb Black . Oct 19, 2020 - Explore Christopher R. Davis's board "GMC SIERRA DENALI AFTERMARKET PRODUCTS" on Pinterest. IOR Audio system, 7" diagonal GMC Infotainment System, includes multi-touch display, AM/FM stereo, includes Bluetooth streaming audio for music and most phones; featuring Android Auto and Apple CarPlay capability for compatible phones . Upgrade your key fob today! I just installed this kit (along with a Denali Cluster upgrade and USB port*) in my 2015 GMC Sierra and am blown away. We’ll cap our Sierra stereo wiring diagram off with the third and last generation of GMC truck. FREE Shipping. Save up to $10,731 on one of 1,190 used 2015 GMC Yukon XLs near you. General Motors Fleet Vehicle IO3 to IO6 Infotainment Upgrade The GMC Sierra began production as a permanent full-size offering in the late 1990s. ... Upgrade to factory GMC ... Pre-programmed to function with your vehicle's existing steering wheel mounted audio controls. There are 44 complaints filed for the 2015 GMC SIERRA. Suburban & Yukon XL, with prem audio. GMC Sierra 1500 Regular Cab 2014-2018 New Running Boards Stainless 6 Inches also features Easy No Drilling Installation, Bolt to Factory Mounting Points, Mounting Brackets and Hardware Included, Driver and Passenger Sides Included. Linkswell GEN4 T-Style Radio for 2015-20 Mustang. Projection feature This feature will add Carplay + Android Auto to select 2014 or 2015 vehicles, it will mirror select smart phone functions on the 8″ screen Faster response time & user friendly menu, it out performs the older 2014 & 2015 HMI modules. The Used 2015 GMC Sierra 1500 Base is priced between $27,999 and$27,999 with odometer readings between 120115 and120115 miles. Best 2015 GMC Sierra 1500 Suspension Enhancement Options. An affordable upgrade that you can do yourself. The best cars and best deals delivered to your inbox. Third generation Sierra Stereo Wiring Diagram (2014–present) I already spent over 15 minutes trying to find info on updating the software. ... A forum community dedicated to GMC and Chevy full size owners and enthusiasts. Last year in 2015 they worked with the exact upgrade you describe in the GMC Seirra/Chevy Silverado and they successfully have done it. Car Speakers and Speaker Systems . Update for gmc intellilink software update 2015. Silverado/Sierra Extended Cab Subwoofer Boxes and Enclosures. Code: io3, io4, io5, io6 radio. Harmony Audio Bundle Compatible with 1988-1994 GMC Sierra (2) HA-R46 4x6 New Factory Speaker Replacement Upgrade Package 120W Speakers with HA-724500 Factory Speaker Replacement Harness. Simply remove the plastic bezel surrounding the radio, unscren the factory radio, and screw this one in it's place.