E3 Spark Plugs

6370 Views 13 Replies 9 Participants Last post by mwnaylor, Aug 2, 2010

Discussion Starter · Jul 26, 2010

I have been reading pretty decent reviews on these. Have any of you installed these in your Frontier? If so...how has it worked out for you?

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Yeah, if there was anything relatively inexpensive that the mfr's could install to either increase gas mileage or reduce emissions, they would.

1 - 1 of 14 Posts

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