Yes anything is possible and your 460 can be moved over. Now since you said you are farming the work out, finding someone who will actually do it is a different story (it will require all wires/harness's to move over as well). So it is actually quite a process. You may also find that the price a shop will charge to do this as apposed to installing a new aftermarket system just doesnt justify it. I havent really looked for the 460 online much, but i am sure between ebay and other outlets you could find what you need (may take some time).