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1. Google STS
2. Read Horror Stories
3. Run away
4. ?????
5. Profit
Because the STS turbos are below the sump oil level, they require a scavenger pump to pull the oil out of the turbo. Unless they have upgraded their pumps, they were the common failure point on these kits. When the oil stops flowing, it backs up into the housing, heats up, fries the bearings, and suddenly you have a toasted turbo. Even with a voltage warning indicator on the pump it doesn't take long to destroy the inducer. Now, there are oil-less turbos available now and since they aren't sitting right on the intake manifold they may last much longer in a remote application.