Tuning Tuning box and rolling road

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Tuning Tuning box and rolling road

Bloody hell thats mighty impressive....IIRC they only cost about £100....fantastic gains for the price....
 
Not too sure if im honest, although I'd like an answer to possibly resolve the transmission.

The box you could get at the start of this year from TMC themself although they have stopped making them now so only chance I think is to get a 2nd hand one off of a forum, last one i saw was on here for £50 a few month ago, but I could be wrong. Really worth it if your car is under warranty.
 
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