08-22-2006, 08:49 PM
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CC Member
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Join Date: Feb 2006
Location: Perth,
WA
Cobra Make, Engine: G-Force kit, LS1, 4L60, 4.09 LSD... Gone to Queensland!!!
Posts: 588
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Not Ranked
For the minimal impact cats have on performance I think it's wise to run them. They do act as a muffler too, taking some of the "raspiness" out of the exhaust note, which to me is a bonus.
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