haha im 17 with a '04 stick too I put the sprint booster in mine and i honestly couldnt tell any difference what so ever so i just thought mabye i installed it wrong and kept messing with it trying to reinstall it and i had them replace it with the warranty and the second one i got still did nothing..or if it did it wasnt vrey noticeable..sprinter was a major waist..deffinetly Needswing..personally im saving up to get mine repainted something...unique lol.