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Old 09-20-2013, 12:38 PM   #10
Piccione Performance
 
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Drives: 2010 2ss/rs & 2014 Stingray
Join Date: Aug 2013
Location: Phoenix
Posts: 124
Don't waste your money, if you are basically stock, 7 years or 100k. The stock plugs last forever.
On our boosted builds we upgrade to the ZR1 plug and recommend at 50k, with no issues, still look like new.
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