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Old 02-25-2011, 10:24 AM   #51
whynotthinkwhynot
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We had dynos of the AR103s showing a 4 hp increase over some expensive designer iridium plug. I can't remember what it was. I don't know if it will be more or less of an increase over the factory plug.

Did you check RockAuto? We get a 5% discount from them, and if you're ordering something else to spread out the shipping- I noticed they do have really good prices on plugs. I ordered some APPs for the wifes van a while back and those were like $2-3 about half price of what you'd pay in a store. It might not be worth it if you're only ordering one part though.

OK no, they don't have it.
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