Both look like a way of separating you from your money. I don't see a pulley, the mounting's wrong, and on a FWD vehicle, doing a burnout is so easy (hint, set parking brake) that it looks like fraud.
The second uses silicone hoses (Do you REALLY think a silicone hose can contain sustained boost?)
Woe to him who builds his palace by unrighteousness,his upper rooms by injustice,making his countrymen work for nothing...Does it make you a king to have more and more cedar?Did not your father have food and drink?He did what was right and just,so all went well with him. He defended the cause of the poor and needy,and so all went well...But your eyes and your heart are set only on dishonest gain,on shedding innocent blood and on oppression and extortion. Jer 22:13, 15-17