Anyone replaced mach 460 6disc with aftermarket head unit?

I have an 01 bullitt and want to change the 6disc out and put in an aftermarket cd player in. I was curious if I just need a mounting kit for the dash fit, or if I have to cut out the amplifiers in the rear of the car.

My old 98 taurus had the amplifier in the trunk and I had to go through h@ll to get an aftermarket cd in it. :(

I hate the quality of sound that this 6-disc produces with the mach 460, I just feel the sound could be fuller and more crisp.

Has anyone done this and what did it take? :shrug: