Has anyone ever heard of someone swapping out the A3's stock engine block for something much more beastly? I know the dimensions of the S4 stock engine are relatively small compared to other V8s out there (granted it's still 4.2 liters), but is there even enough room under the hood of an A3 to install a higher performance engine? What other mods would be required (air intake, exhaust, etc.) Wasn't sure if this thread belonged in this section, sorry if not.

Oh, and something to daydream about... Imagine this if you will: an A3 with an RS6 engine. Do you need to change your underwear yet?