The “DO NOT REMOVE” on 2011 Hyundai Sonata engine air filter box

Asked by Eric May 28, 2018 at 06:02 PM about the 2011 Hyundai Sonata GLS FWD

Question type: General

I recently replaced the paper air filter with a k&n
high flow air filter and I noticed the do not remove
on the box and had a filter on it?has anyone
removed it when adding a aftermarket filter?or
know why it can’t be removed?
Any input is appreciated!!!

2 Answers

70

This question is not about the K&N but the permanent secondary filter in the factory air filter housing. I have the same question. Is there any way to clean that filter as mine is very dirty as well? Thanks.

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