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what aftermarket cat can be used that will flow enough for my car / or does anyone have a clean stock one laying around ? can anyone help me?
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RE: need to replace cat on my 91 Z34
i put a magnaflow high floe cat on mine, works great and only cost $100. but if your cat is plugged then you have a problem with your engine, fix it first then put the cat on or you will ruin your new cat, but if your cat has just desinigrated then you can replace it.
JakeGM Goodwrench Tech - GM Certified
1991 Pontiac Grand Prix GTP - 3.4L DOHC , 5 Speed Manual Transmission , Turbonetics 62mm turbo, Turbonectics Evolution Wastegate , Turbonetics Raptor BOV , Large Front Mount Intercooler , AEM Methanol Injection , Car is running at 11PSI currently with methanol injection.
Runs 13.4 In the 1/4 with a 3 second 60 foot
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