This really works as a lot of people are talking about. I had a lot of fun. After taking it out and driving without it is day n night difference..
I've had it for about 5-6 months on my B8.5 S4, and my warranty is almost up in few months, so it's time to let it go and move on to the ECU tuning solution.
it's yours for $330, shipping included.
http://www.panjo.com/buy/chipwerke-pro-for-sale-240052?
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