REAL RESULTS.. Is it really worth running NO CATALYTIC CONVERTER? We test it on our big power SUPRA.
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Is a Cat Delete Worth It?
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Big Boost Killed 700hp Toyota Supra MKIV // Nürburgring
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Exhaust Back Pressure Myth DEBUNKED!
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Is a High Flow Catalytic Converter Worth It?
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Pure800 B58 Supra Makes EFFORTLESS Power on Pump Gas!
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How To Delete Your Catalytic Converter!
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Fix your Catalytic Converter for $10?
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