I had my 370z tuned & did not feel any difference. I put a sprint booster on my car & I cant believe the difference it made the power I felt. I spent thousands of dollars to gain more power. What a wast of money. All I needed was a sprint booster. I already know it dose not give you any more HP then the car already has BUT it give you the power the car already has instantly. There is just one problem I have now. After two years driving with the sprint booster it stopped working & no one seems to know what the problem is & Im out of money to find out plus I dont even know where to take the car to find out why it dose not work any more even if I had the money. I have 3 sprint boosters so I know it not the sprint booster that is not working.
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