Oh look...I've always wanted a DDP! LOL!
BTW - It's $25 a foot for chrome...$35 a foot for black. Include the DDP part in the linear measurement. The chrome will turn a titanium grey color from the high heat this part receives...the black will turn from a semi-gloss to flat. Oliver's comment on shipping will save you some $$$...these are expensive to ship.
If you get this done (regardless of who does it), make sure it's a 2000 deg rated coating. Anything less is not going to hold up. The best combination is the ceramic, then wrap it. There will be no corrosion issues once the ceramic is applied and the heat wrap adds additional protection.
There will be a significant drop in engine bay temps in the area around the turbo. Max benefit is when the turbo housing, heat shields, and exhaust manifold is ceramic coated as well.