I'd also like to see the hp/tq curves of both stages, but I agree, this should have been something included in the S1 for no additional charge or offered as a free update to current S1 owners. To call this Stage 2, charge another $500 and only add a couple HP/tq is kind of a joke.
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2012 JZB/Fox Red M3 DCT -JZB reflectors, CF gills, gloss black grills
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