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2005-13 Chevrolet Corvette
2005 • 2006 • 2007 • 2008 • 2009 • 2010 • 2011 • 2012 • 2013
2006 Chevrolet Corvette coupe (Crutchfield Research Photo)
The Chevrolet Corvette has long been regarded as "America's One True Sports Car." With the C6 generation, the keepers of the Corvette flame stopped settling for being the best in America by default, and got serious about beating the best in the world on merit.
Multiple class wins at places like Le Mans and Sebring proved that this Corvette was a true world-beater on the racetrack, while continual development and jaw-dropping performance models like the 638-horsepower ZL1 made the C6 a serious player in the global supercar marketplace.
If you like to get out and exercise your Corvette as often as you can, a new stereo system is a great way to make a terrific drive even better. Whether you want to swap out your whole system, or just get the most out of the system you have, we can help you find a way to make your "one true sports car" sound truly awesome.
Despite yearly tweaks and improvements, the interior of the C6 was the target of much media nitpicking. Interiors are very subjective things, though, so what feels like a ten-hour flight in coach for one driver could feel like a trip to the spa for another. If you're reading this, you're probably quite comfortable in your car. That said; you're probably getting tired of the factory stereo, a generally unloved system that isn't getting better with age.
The Corvette's base radio (Crutchfield Research Photo)
The Corvette's basic stereo system was a 7-speaker single-disc AM/FM/CD/MP3 player with optional navigation functions. OnStar® was available, of course, and later years saw the addition of XM satellite radio, MP3 input, Bluetooth® connectivity, and an in-dash 6-CD player. That's all good stuff, but the stereo as a whole still wasn't up to the world-class standards set by the rest of the car.
The Corvette's nav-equipped radio (Crutchfield Research Photo)
In 2012, a 9-speaker AM/FM/SiriusXM/DVD/navigation system from Bose appeared on the Corvette's options list. This system added corner dash tweeters wired in parallel with the front door mid-range speakers. We've researched this model, and found that these tweeters could not be removed without damaging the dash. Other than that, the instructions below hold true for all C6 coupes.
Replacing your factory radio
Whether you have the standard radio or the optional nav radio, the removal and replacement process is the same. A number of high-quality single-DIN (2" tall) and double-DIN (4" tall) stereos will fit into the dash with the help of a dash kit that's free with most Crutchfield receiver purchases.
Removing the Corvette's radio involves a bit of work (Crutchfield Research Photo)
Getting to it, on the other hand, is a bit of a challenge. Opinions may vary on the overall quality of the Corvette's cabin, but there's little debate over the efficiency of the packaging. Everything two people need to travel in relative comfort is present, but there's no wasted space. While we've certainly seen worse, replacing the stereo on a Corvette is a fairly complex process. Our experts rated it a "3" on their 1-5 scale, which means it's a task best suited to reasonably skilled and experienced people. It's probably not the ideal project for a first-timer, but if you're up for the challenge, our illustrated Crutchfield MasterSheet (free with your stereo purchase) and expert Advisors will give you the help you need to get the job done.
The Cutchfield MasterSheet instructions lead you step-by-step through your installation
We'll leave the details to the MasterSheet, but before you select your new stereo, there are a couple of things you'll need to know. If you replace the factory radio, you'll lose your factory XM satellite radio capability. We offer a number of aftermarket units that are SiriusXM-ready, though, so that's really nothing to be concerned about.
You should be concerned about safety, though. Your vehicle's warning chime is built into the factory radio, so when the factory radio goes, so does the warning chime. The same goes for OnStar and circuitry for the Bose amplifier, if either of those systems are present in your car.
You'll need to purchase the Metra VT-GMOS-04 adapter and a switching relay in order to make a new stereo work with the Corvette's electronics and retain those warning chimes and other features. This adapter also provides all of the power connections needed for your new radio, and it's 50% off with the purchase of a receiver. Crutchfield strongly recommends that you use this adapter when you replace your Corvette's factory radio.
This Metra adapter also makes it easier to retain your steering wheel audio controls because there's a dedicated connector for the ASWC-1 steering wheel control interface.
Tools needed: 7mm socket, 10mm socket, socket wrench and extension, panel tool, small flat blade screwdriver.
Steering wheel audio controls: To retain your steering wheel audio controls after installing a new receiver, you'll need to install yet another adapter. There are a several of these adapters available, but one good choice is the Axxess ASWC-1 steering wheel control interface. We recommend it because there's a dedicated connector for it on the Metra GMOS adapter mentioned above, and that makes installation quite a bit easier. Contact one of our Sales Advisors for more details about steering wheel control options.
Replacing your factory speakers
Front door speakers: Whether you have the base or Bose system, your Corvette's long, lean doors house a set of 3-1/2" tweeters and a set of 8" woofers. The tweeters are reasonably easy to replace, but the ultra-thin design of the woofers presents a number of challenges. In addition, the Bose woofers have small amps attached to them, so even if you can find suitable replacements, you'll lose those amps. It's complicated. If you do replace the woofers, you'll also need to fabricate a mounting bracket because there aren't any pre-made brackets available. We suggest using a sheet of scored ABS plastic (you'll need two of these) to create your own custom fitting. It's the same plastic that regular speaker brackets are made from, so once you cut it the shape you need, it'll give you a solid mounting plate for your new speakers.
The Corvette's front speakers aren't hard to reach (Crutchfield Research Photo)
Though the processes for the driver's and passenger's side doors differ a bit, removing the panels isn't terribly hard. On the driver's side, you'll start by prying off the screw cover under the door pull handle, and removing the two Torx T-30 bolts you see there. Next, use a panel tool to gently pry around the sides and bottom of the door panel to release the retaining clips. Note that we added the word "gently" to the instructions. We did that for a reason. The clips are very tight and known to break when treated badly, so be careful and use patience during this stage of the process.
Once you've safely removed the panel, lift it up, disconnect it and store it safely, preferably on an old blanket or inside a car cover --anyplace that will protect it from dirt and scratches. Remove the four 7mm screws that secure the speaker to the door, then disconnect the speaker and set it aside. On the passenger's side, everything's the same, save for one less Torx T-30 bolt.
A variety of 3-1/2" speakers will fit in the tweeter openings. A wiring harness is not available, so you'll have to wire it all together yourself. Unless you particularly enjoy splicing and soldering, we suggest making the connections with secure, long-lasting Posi-Products connectors.
The dash tweeter: should it stay or should it go? (Crutchfield Research Photo)
Tools needed: Panel tool, Torx T-30 driver, socket wrench and 7mm socket.
Center dash speaker: Your Corvette has a 3-1/2", 4-ohm speaker located in the center of the dash. The benefit of this tweeter is debatable. Some owners think the sound improves when you install new door tweeters and simply disconnect the center tweeter. Your opinion may vary, but feel free to experiment. It might not be necessary, but it sure is easy to get to.
Starting at the rear center edge, pry (carefully) around the dash grille to release five clips that hold the grille in place. Remove the four 7mm screws that hold the speaker in place, then disconnect the harness and remove the speaker. Hold onto two of those screws, which you'll use to secure your aftermarket 3-1/2" speaker.
Tools needed: Panel tool, 7mm right-angle driver.
Rear side panel speakers: The rear side panels house a pair of 5-1/4", 4-ohm speakers. Unlike the base models, the Bose models are wired in parallel, but that's the only functional difference that matters here. Replacing the speakers is a rather involved process, though.
The first step is removing the targa top found on all C6 coupes, save for a couple of ultra-high performance versions. The top is a heavy piece, so this is a two-person job. You and your assistant will obviously want to use care and store the top safely while you work. You'll also need to open the rear hatch and use a prop rod to safely secure it in the fully-open position while you remove the shock support. In other words, you'll be crawling around under a heavy glass hatch that's suspended by a stick, no doubt thinking "Don't hit the prop rod. Don't hit the prop rod..." the entire time.
Removing the targa top is Step One. It gets harder from there. (Crutchfield Research Photo)
You really should have a helper/spotter on hand while you're working, which is just one reason our experts rate this as a "5" on their 5-point difficulty scale. Replacing the speaker with an aftermarket 5-1/4" model is easy. Getting to it is not, which is why we recommend having a professional tackle this job if you're not an experienced installer with an available assistant.
Tools needed: Panel tool, small flat blade screwdriver, 7mm driver, extra person.
Bass in your Corvette
If you're planning to add more bass to your Corvette, you do have a few options, despite the car's limited amount of space. The available area for sub-box mounting under the targa top storage area measures 42" W x 9" H x 34" D. That's not a lot of space, really, but there are powered subwoofers that will work here.
If you'd prefer a more custom look, try a JL Audio Stealthbox. This enclosure, which houses a 10" JL Audio subwoofer, is covered in dark gray material and fits neatly into the driver's rear hatch area.
The Corvette's rear deck offers a great mounting spot for a rack of amplifiers, so if you want to add serious power to your system, there's plenty of room. We have the amps, so if you have the skills (or a talented installation shop nearby), let your imagination run wild.
Security: The Corvette's push-to-start system is a very cool feature, but it makes DIY car security installation even more complicated than usual — and it's usually complicated, even on lesser cars. We recommend leaving this task to a qualified professional installer.
iPod® and satellite radio adapters: If you don't want to replace the factory receiver, you can still add versatility and great sound to the system. We offer several adapters that will allow you to use an iPod, MP3 player, or satellite radio with the factory system.
Dynamat: The Dynamat 10435 Xtreme Door Kit is the perfect way to seal in sound. This heavy-duty insulating material is easy to install, and it really makes a difference. If you're a dedicated audiophile, you might want to install Dynamat under your Corvette's seats and carpeting, too. Some owners who've done this report impressive reductions in road noise and heat from the transmission tunnel.
Space is tight in a Corvette, so it's difficult to do anything complex in these purebred hotrods. It can be done, but it takes planning and determination. If you come up with a nice-looking way to add subs and amps to your Corvette, send us some photos. We'd love to see what you come up with.
Here's an example of how one owner improved the stereo on his car: Alan R's 2007 Chevrolet Corvette
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