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Old 08-19-2013, 02:00 PM   #396 (permalink)
dmhenderson
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Quote:
Originally Posted by Chuck33079 View Post
Are you on OEM plugs? The GTR plugs are 1 step colder, and a lot cheaper than the HKS plugs GTM recommends. That's about it. They're not really going to add any power. If you're still on the stock plugs, go ahead and switch them out.
Unless they came with the SC kit, I'm still on stock plugs.
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