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Old 05-03-2012, 09:26 AM   #8
KMPrenger


 
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Drives: 16 SS Camaro, 06 Colorado
Join Date: May 2009
Location: Jefferson City, Missouri
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Quote:
Originally Posted by bluecam805 View Post
well its alot cheaper too. im gonna get my cats taken out and ask to get the biggest down pipe for maximum air flow.. $120 for BOTH . hopefully i get alota gains
Quote:
Originally Posted by bluecam805 View Post
yeah im skeptical myself . not too big but probably 2.5 or so. im not sure the size now. ill see tomaro
I really don't think I'd go with bigger than stock pipes to replace the cats, and instead go with the stock size. I can't say forsure, but I'm guessing it is the same size as the beginning of the catback...which is 2.5"

I don't see how you couldn't get gains from removing the cats, or at least adding HFCs. Its been proven on the LLT.
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