I have a guy with a 20g turbo I might be able to get fairly cheap. Problem is it is off a rotary, so the hotside might be different than your average 20g. It has a garret flange, and is currently bolted to some adapters and such to be compatible with a rotary. I can make it fit my car, just don't know if the exhaust housing might be too large for a DSM. Here's some pics I took