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  1. J

    Boost Controller for 2003 Audi A4 1.8t for power gains?

    I wanted to boost the overall power my car. I was going to buy a supercharger(well it's not really a supercharger) for around 5-600 dollars, but this only gives a 10hp gain at best. I heard that I can re-program the stock turbocharger in my car and get much more significant gains for around the...
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