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Old 05-10-2012, 09:52 PM   #25
Drives: 2LT/RS coupe M6 IBM
Join Date: Nov 2011
Location: Springfield, Tn
Posts: 63
Had high flow cats on a '96 Impala SS. Started out with Borla headers and a flowmaster cat back. Added the cats later. Noticed a bit more pick up, esp from a rolling start
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