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I went from 27MPG to 35 MPG WOW!..
thank you so much for your help and to your patience if someone wants to get hho installation i will highly recommend hho kit..
Great job. Thanks..
I am very satisfied with the professional products and support very quickly and professionally. Thank you very much...
Good performance for Corvette C6..
i passed my nct right now thanks i will recommend you to my colleagues..