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      02-05-2016, 09:55 AM   #38
Bimmer-Bob
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Drives: 2010 128i
Join Date: Feb 2010
Location: Anacortes, WA

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Does anyone know of high-flow replacement cats for the secondaries? The only option I'm aware of is the Supersprint product, but at nearly $2K, they're hard to justify.

Also, any knowledge of what it would be like to DD a car with primary cats deleted and secondary cats either deleted or replaced with high-flow versions? Specifically wondering about smell.
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