Quote:
Originally Posted by fairlady_z34
is it a must for ppl who just want to stay at the high 400 to low 500whp? any difference from the stock ones from that one if we plan to never go over 500whp?
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It comes with the kit now as a standard feature.
I think you should be ok for up to 500whp without it, but it does depend on the dyno you are using as well.