You can definitely use PVC on the cold side.
If teh turbo is off a diesel, it may be big, didn't really make out anything on it, so I have no size to go on, but just remember remote setups encounter a bit more lag, so a BIG remote mount may not be the best idea.
Honestly, If you can fab something up off the manifolds it'd be all around better. I know under my hood I have quite a bit of room for a turbo on each side of the engine bay. If you made a collector from both manifolds then went to the turbo you might be happier. Or get another turbo and run two, thats the easier way. IMO
Keep the wastegates dumps open though, so when it opens it just screams V8. :-P
Nick Conforti - 1987 Ranger XLT - 302 - Cam - Edel Intake - Edel 650 4 Barrel- GM HEI - AOD - D28 - 8.8"- Discs - 31 Spline - 3.73 - L/S - 30" - Sony Headunit - Kicker Components - 3 12" Audiobahn 1251T @ 35Hz - HFi1000.1D Mono Class D