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      02-21-2012, 02:20 PM   #45
tom @ eas
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Originally Posted by JBond View Post
that's what I said

It's being advertised as a 620 kit but it seems it's yielding 690hp , if I get this kit should I expect 690hp ?
The 620 crank figures are with stock exhaust (restrictive cats).

Swapping the stock exhaust would definitely yield higher results. For example, the Akrapovic systems utilize 100cpsi cats.
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