Quote:
Originally Posted by magnust
Still, if you do upgrade the brakes, diff and surprisingly few other pieces a SC M3 or CSL will hold up surprisingly well to hard track use once sorted out. And in the end, having 100-150 extra hp is never *wrong*. But not all of us think it's worth the cost 
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So where are all these s/c m3 screaming around the tracks wiping the floor with us standard m3s?