I just installed a pair of Boston Acoustics SX50's and Dynamated the crap out of the doors in my TC and they sound great. You aren't going to get huge bass response out of them given their size though. For that you will have to add a sub. I put a JL Audio 8W1V2, in a box that I built, under that passenger seat and it sounds amazing. Especially considering I used the OEM radio.