Not only do the speakers fit perfectly (size wise) in the Monsoon system for my Camaro SS, but they are the correct ohm setup for the factory amplifier.

They installed super easy and provide a nice bass sound. Are they 12s with 400watts, no, but they sound larger than what they are. I usually have the bass on my stock setup set on "0" and a heavier bass songs, I have to turn it down into the negative range other wise it will over power everything else (all the stock speakers in my car have been upgraded to better speakers).

If you want a simple upgrade for a good price, these kickers are the ticket. For which wire goes where, check out the stereo section of LS1tech.com for + and - wires hookups.