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Old 11-17-2011, 06:25 PM   #5
Apex Motorsports
 
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Drives: 2000 Camaro SS
Join Date: Feb 2010
Location: Louisville, Ky.
Posts: 25,179
Either immediately or eventually you will get a CEL. I always advise our customers to not add headers until they are ready to get a tune and don't get a tune until they are ready to kiss their warranty goodbye.
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