I read in my import tuner about this performance ground wire. And it was supposed to increase hp. Is this true? I'm only questioning it because they also have ads for $65 supercharge any car, and the tornado fuelsaver increase your hp by up to 15. So is this wire a scam like those? And is this the ground wire that connects to the valve cover and to the car frame? Thanks in advance.![]()
:bh:
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