A5 OBD 2 After a stage 1 remap

[Eamonndo]

Hi, my 2015 A5 143bhp has recently had a Stage 1 remap. Would adding an OBD 2 performance plug add extra bhp? Thanks

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[NHN]

Probably cause more issues than you need, ideally if you want more power, go back to your mapper, as the dongle may think its tuning a stock car whereas yours isn't anymore.

 

[Eamonndo]

Thanks although I don't get the stock car bit lil

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[SRC]

Thanks although I don't get the stock car bit lil

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What NHN is saying is that an OBD2 dongle would make adjustments to the fuelling and other functions of what it presumes is a standard (stock) engine. As it would actually be adjusting an engine with different settings to what it's designed for, you really would be asking for trouble.