Reduced SAPS benefits for Petrol 3way Cats

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Something I was wondering about, is there any measured benefit to the life of a 3 way Catalytic Converter in a Petrol powered car (assuming running healthily/correctly) ?
I've seen lots of mentions of can increase life e.g. ACEA with their Cx specs, but no figures to back up claims?
 
No figures unfortunately, but yes, in EU BMW, FCA, Renault and others spec Cx oils. There is a life time requirement for catalyst over here. With ULSP it doesn't present problem, it can actually reduce combustion deposits.
 
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