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Old 12-20-2012, 06:46 PM   #1
farmsweet
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Join Date: Oct 2012
Location: Madison
Posts: 9
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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