a5 tdi

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    Anyone used TDI tuning box on A5 2.0 Quattro 177?

    Hello all, just bought a 2014 A5 2.0 TDI Quattro 177, I would prefer the tuning box stage 1 to a remap because its not overwriting my cars ECU, just intercepting/overriding instead (and it’s untraceable/removeable) and I was just wondering if anyone else has used one and are the gains as good as...