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12-20-2012, 06:46 PM
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Registered User
Join Date: Oct 2012
Location: Madison
Posts: 9
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Hi flow catalytic converter
Any one running a hi-flow catalytic converters? I'm thinking of putting a pair on my 71 468cu and was wondering if these would quiet the exhaust down. currently I have 3" exhaust pipes off the headers to summit mufflers ,then turned down and out and I know I'm going to have to change them out for quieter ones cause it sounds like a gasser right now.
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