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Old 01-03-2012, 12:34 PM   #23
SinisterEcho


 
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Drives: 2010 2SS/RS M6/LS3
Join Date: Oct 2011
Location: Arvada, Co
Posts: 9,872
I have the Kooks LTs high flow cats and a 3" cat back.... got tired of it feeling a little sluggish mid rpm range in 3rd and 4th. Not to mention the CEL... dropped it off for a tune today....
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