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G'day
I have a Bmw M5 F10 LCI Competition Package and bought the BBMR Catless down pipes.
I have had a "change of heart" and now going with 200 Cell High Flow Sport Cats . I've done quite a bit of research and don't like catless for several reasons (practical and legal).
I'm going to buy their 200 Cell Sports Cat (and the workmanship was good on the original part I bought). The only modification and addition I'm going to make to them is a High Temperature Ceramic Coating to reduce heat in the engine bay and increase airflow inside the CATS.
High Flow Cats (200 or 300 Cell Sport Cats) will not produce a CEL light and interfere with the Air Fuel Ratio from the ECU .
Cheers
Bruce
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