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      01-04-2019, 03:55 PM   #1
Ryan32
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Drives: 2016 M6 GC
Join Date: Dec 2018
Location: Midwest

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RK Autowerks Carbon Fiber Intakes (CAI)

Ordered a set of these and really looking forward to putting them on. That being said, i just can't wrap my head around trusting no water gets in these.

Has anyone put a pre-filter on theirs? If so, what brand and size? The filters RK ships are no longer the K&N cotton filters, and the new ones are unmarked. I measured, but it doesn't look like any of the Injen pre-filters really match up on size.

Any experience/help would be greatly appreciated!
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