a few ca guys have cut the hole to a 3 inch hole in and out on the factory cat, then welding the headers 3 inch down pipe to the factory cat.
or you need to find tog, or slp headers, both are carb compliant.
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a few ca guys have cut the hole to a 3 inch hole in and out on the factory cat, then welding the headers 3 inch down pipe to the factory cat.
or you need to find tog, or slp headers, both are carb compliant.
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