Originally Posted by ranger024x4
One of my fav's is (I think its the same double din your talking about actually) you replace the wiring harness and it adds a box in line before your factory wiring and it will amp up the power going to your speakers (i believe instead of 18rmsx4 it turns it into 45rmsx4). pretty cool.
Thats the Alpine KTP-445.
I've got one, and love it.