it depends on if youre going to get 18" or 19"s
if 19" i say HM2 for the lip, also because im not particularly fond of the type IV style
if 18" then get the ACS because 18" HM2s have a crappy lip.
also, i dont know of anyone yet with the IV, so you'd be different
but overall, the HM2s would be cheaper, so for the price of the 18" ACS you could probably get 19" HM2s
it all depends on the size of the rim you want and the money youre willing to spend
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