Yes they do. Thats why I want to switch them out. Was browsing the audio store and compared them to others and the clearest there were the fosgates. They are little more pricey but shop around and you can find deals. Even if you dont want to get subs you can get a nice component set and run the bass through there and will still sound clean with-in moderation of course. I have friends that are running just the components to save weight weight in their street/strip cars and still have nice clean bass.
Already received the kits to retain my steering wheel controls and chimes as well as the dash kit. Should have everything in my possession by end of week. I got the Pioneer 4400 per the recommendation of Nathan. I'm pretty stoked about the whole set up really. It's going to be awesome when done. I've had sony HU's in the past and have been less than pleased with them so I won't go down that road again 
Once the video is all installed I'll give it a few weeks then most likely start in on that audio portion of the upgrades. Both John and Nathan have given me some great ideas in that department. It'll be a very mild setup but will supply great sound inside the cabin. 
