I know this topic has been discussed before, but I didn't see the answer I was looking for. I have the Infinity six-speaker system in my truck; I want to replace the rear speakers with either a Pioneer or Boston Acoustics (or some other recommended brand) retaining the factory system. My question is will I have improved sound in the rear. I have searched and read all the previous posts on this topic, one person said they thought there was a resistor in the wiring going to back speakers which only allow mid range sound to rear speakers. This is why there is poor sound in the rear. I feel somewhat obligated to keep the factory head unit since I ordered the truck this way. Any help from someone who has swapped out the rear speakers would be appreciated. Also, I have talked to Crutchfield and they did not have any notes on whether there was a resistor or not. Local stereo shops have not been much help. I also plan to add the JL Audio Stealth Box, which replaces the center seat. Any recommendations on an amp and how to hook it up to the stock stereo system would be appreciated.
Thanks, Mike.

Thanks, Mike.
