yea i figured it was ******** but never heard of it before so i asked...lol...
how much louder will it be with no cat? or high flow cats compared to stock?
anyone got no cat on a tpi 1990 camaro?
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1990 IROC-z28 Convertible ... best et (15.9 @ 86.7)
1970 Chevelle ls5 ... best et (13.97 @ 101.3)
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