Quote:
Originally Posted by Richyy235i
My bad ... It has a tune already from the previous owner of the car. RS Tuning in Leeds supplied it they will tweak the map for £150 to suit my modifications. Was hoping to make upwards of 400.
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Reasonable assumption is that you are running some sort of a stage 1 equivalent tune right now. Once you put these parts in, you will be dealing with a drastically different driver train profile and will need adjustments.
Anyway, I honestly think these tune related power figures are silly. However depending upon the dyno if you go catless and put on a new tune, I don't see why you can't put down 400 plus to the wheels.