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i passed my nct right now thanks i will recommend you to my colleagues..
Thanks for your prompt response will get back to you as and when I can thanks..
I went from 27MPG to 35 MPG WOW!..
I bought this hho super, installed, everything works well. Excellent kit. Thank you!..
Good performance for Corvette C6..
thank you so much for your help and to your patience if someone wants to get hho installation i will highly recommend hho kit..