I'm upgrading the speakers in the dash of my 97 tj, and I see that there are baffles in front of the speakers. What is the purpose for them? It seems to me that this would muffle the sound a bit even with the somewhat open front. I have never seen this before. I'm installing 4x6's. I have the brackets & baffles for the rear of the speakers. I guess my question to those who have replaced their front speakers with 4x6's, did you re-install the front baffles? If so how did it sound?