Based on the internet on aftermarket stereo system, people say its beneficial to upgrade the grounding wires to preventing electrical problems. Plus it only costs about $30 max for some 4 gauge wires and crimps.
I was debating whether to do it or not, and I figured it wouldn't hurt.
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Originally Posted by bigaudiofanat
Any particular reason why your doing the big 3? Just was wondering. I personally have not done it on any 370z so I am not sure how much help I can be.
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