Originally Posted by Veblen
It's actually a bit more work than that, not to mention a step in the wrong direction ditching the composite mani. Imo wait and get a proper top mount designed with the 08+ in mind.
It may be more work if the 08 wrx uses the compressor housing that mounts to the bottom of the intercooler via the bolts rather than the rubber/plastic hose.
If thats the case then he would need to change the turbo as well, or use some f'ed up routing to duct it properly.