Not familiar with the product so this is just some thoughts to consider:
1. Wouldn't worry about the amount of boost. Unlike superchargers, turbocharger boost is adjustable through the wastegate.
2. You would think due to the distance there would be a lag. But it may be just the opposite. Turbos turn at very high rpm and don't "stop & start" with throttle. There may well be some "stored" boost in that long run.
3. Correct...turbos come in at higher rpm but considering 2 above that might not be the case here.
4. The price is pretty steep for a turbocharger but depending on the above cheaper than a supercharger and probably easier to install.
Just my thoughts without hands-on knowledge.
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Jonahs
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