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Good morning. Couple of questions. I know there's a retainer that comes on the stock filter but it didn't fit the AFE pro dry filter. Will it be good that way? Also what is that deposit on the throttle body lip? Thanks in advance!
For what it's worth, my friend with an 09 ZR1 ran this filter and got a CEL in the first week. Took it out and it cleared itself. Not sure if it was related. I ran the Attack Blue and it gave me random KR.
Filter Retainer
