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Old 08-05-2013, 07:27 PM   #18
pdiddy

 
Drives: 2011 2SS
Join Date: Jun 2013
Location: Kansas City
Posts: 997
so I have my car tuned with the high flow cats on it will I have to have my tunner adjust the tune if I get rid of them and run no cats/ or if i punch out my cats.
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2011 2SS,fti th400, ECS 1500, Flex Fuel, Boost built 376, squash fuel system
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