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help with ko4

691 Views 4 Replies 5 Participants Last post by  AxeAngel
I have a ko4 coming and i would like to know what else "needs" to be done, not what is a good idea, but what also "needs" to bo done to the vehicle when I install this.
One source says blow-off valve and exhaust.
Anyother "needs" or should that be o.k. and reliable.
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