so I have a dodge ram 1500 2005 and im wanting to replace the door speakers in the back of my truck... since I have a box in the roof my highs are overwhelmingly loud and I don't need the coaxials that I currently have in the doors now. I figured that I could get something to sound better for what I want... the speakers are currently infinity reference 5-1/4" and I think I could squeeze a 6" in there but not wanting to unless that's all I have to work with... my budget would be around 120 for the pair... I've heard good things about rainbow but maybe too expensive??... let me know what you have.... I would really like to get a used pair so I can get more for my money... thank you for your input.