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Does anybody actually run modified with a cat?
I have recently bought an 87 930. I've been reading about mods and can't find much info about cats. Is it true that modern high end cats run near 90% flow? Just trying to balance my marginal environmental ethics vs my need for hp. This car is a low mileage survivor and I plan to only do bolt on mods. As a result I'm evaluating options.
Chris Thomas
Cary nc
87 930 Black, Stock
85 Targa, about to go away
87 951, gone but not forgotten
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