They come standard with the bose system. Well I have seen in done before in several other cars, I was hoping there would be an adapter but more than likely I think I might have to do a lot of splicing, which I'd rather not do because it will affect the cars retail. I know I need the bose bypass, but I'd really like to install it myself, so I was wondering if anyone had any prior experience or could help walk me through it. Plus I'd rather not buy the harness from a large retailer since theres so much mark up on them, so I was also wondering if anyone knew of a good supplier. I found the module