Thread: Cats or no Cats why do one or the other?
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Old 05-02-2011, 10:27 PM   #4
Gbusy06
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Drives: 2011 Camaro SS A6 SGM
Join Date: Oct 2010
Location: USA
Posts: 189
Any horse power/torque gains with no cats vs. cats? I am interested as well but I already have the high flow cats.
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