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Old 05-24-2012, 04:33 PM   #6
John@AutoAgenda
 
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Drives: 2004 GTO
Join Date: Feb 2012
Location: Scottsdale, Az
Posts: 124
You are not going to loose your warranty be installing these, you will loose it if you open up your motor, or you change the tune in your car. These with a set of cutout's would sound sick!
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