05-10-2015, 08:01 AM
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CC Member
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Join Date: Mar 2006
Location: San Marcos california,
CA
Cobra Make, Engine: 1989 KCC from South Africa Right Hand Drive
Posts: 1,597
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Not Ranked
My car has 3" I'd sidepipes.....at the track if I remove them and run with open headers there was a gain of about 2 seconds a lap.....on a 1 minute track......
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