[NOLA Dad]

The biggest issue is the driveshaft mount. You may be able to drill out the welds on the donor chassis and move it over, reweld. Is the '04 a 4 or 5 speed automatic?

 

[NOLA Dad]

Ok, I had originally thought the ecu didn't care, then I called a Honda dealer and they said that the computer would have to be "programed"? therefore I have been unsure. I can do anything on the car but I am not well versed in working with automotive computers. thanks for reply. still tracking down the parts so if I get a complete element

If it's already a 5 speed manual, there shouldn't be any issue, as there's nothing but a speed sensor and reverse signals from the transmission. The remaining portions of the car should be dumb, minus the VSC. You may have to disable the VSC to fully benefit from the AWD.