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11-04-2013, 05:28 PM
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#1 |
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Registered User
Join Date: Nov 2011
Location: yucca valley,ca
Posts: 206
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5.3 cat converter
Hi guys I'm getting my 5.3 swap into my c10 ready to go see the referee in the great state of California and need some info anyone got a 2005-6 silvarado or Sierra with a ls motor in it that can peak under it and see if it has just the two front cats at the back of the manifolds or also a 3rd cat in front of the muffler it would really help me out thanks in advance.
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11-04-2013, 07:43 PM
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#2 |
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Registered User
Join Date: Jan 2011
Location: PA
Posts: 56
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Re: 5.3 cat converter
My 5.3 equipped 2005 with federal emissions package has two cats only. I don't think that I've ever seen a 2005-06 with three cats. Not sure about the California emissions package though.
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'76 C10 Silverado - 350/TH350 '87 R10 Silverado - 305tbi/700R4 '05 Silverado Z71 - 5.3/4L60e |
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