Quote:
Originally Posted by Jordo!
Unless your wiring is crap, not much. Just replaces factory ground wires with heavier duty ones.
Really not needed on new cars, and on older cars you'd be lucky to pick up 2 whp.
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ditto, new cars have decent wiring and grounding so it doesn't do much, it basically applies for cars that strip their entire car and get a racing harness so unless you plan something crazy I doubt you'll need it