just use a DC5r gear box..... but then you might as well have got a R.
seriously... if your that worried about 7kw get a S.
if you change the zorst and intake on a R you'll have the same... if not more power then a S..... but then cause a R is cheaper then a S... you'll be able to get coilovers and some nice wheels to.
then it would S*&T all over a S.
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