Has anyone used a Jackson Racing Vpac (Vtec Controller)
I wanted to buy the Jackson Racing Vpac so that I can change my vtec ingagment to a lower rpm. I have a stock 1998 honda civic ex with an aem short ramair intake, hks hiper exhaust, and a dc 4-1 ceramic header. I wanted to know if anyone has used this product and if they can give me an idea weither or not to buy it.
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