[focusracer]

So, were you running your factory speaker off an amp or just off your factory deck? Even in that case, imo and from past experience, you wouldn't get as clean of sound as you could using an aftermarket deck. This is mainly in part due to the transfer of the sound using rca compared to regular speaker wire and jimmy rigging it.

I also tend to do a lot of fine tuning with my eq on my deck. My stock deck had bass and treble. My Pioneer has low, mid, high as well as I can set my hz levels for both my front and rear speakers as well as my sub. I can adjust my crossover on my deck to match or reconfigure my crossover on my amp.

I would just make sure that you don't run too much power to your stock speakers from an amp as they are generally not rated for much power until you get into the higher end stock stereo equipment such as infinity and bose etc.

Same as you stated kc, no hard feelings towards anyone, just a healthy debate.