Quote:
Originally Posted by BlueSteel07
It looks like his SS makes about 200 more HP than a stock ZL1. So he might be a little disappointed until he mods the ZL1 a little.
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Partly, but I want to try and keep it as quite as possible, I saw a thing on one website that by changing the upper pulley to a slightly smaller one, adding an intake and tune they were up to 615whp?