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We've all heard the rumor - "K&N's air filter oil will damage your mass air flow (MAF) sensor." This is 100% false.

It's impossible for K&N's air filter oil to damage a MAF sensor. We hear this claim every day. We've tested over 300 MAF sensors allegedly damaged by our air filter oil (tested in-house and at an independent forensic laboratory) and absolutely none of them had our oil on them. We've even dunked MAF sensors in our oil and immediately tested and installed them dripping with oil - no harm done. It's impossible. Our air filter oil does not conduct electricity. Here are some brief videos detailing our investigations into these MAF sensor damage allegations against K&N. They won't take more than 10 minutes total to watch.

If a dealership or repair station tries to tell you a K&N product will damage your MAF sensor or tries to sell you a new MAF sensor because a K&N product damaged it, you now know the truth. If this does occur, please contact us at 1-800-858-3333 and we will be happy to assist you in making sure you are not taken advantage of.

Let K&N be the solution to your problem. We are here to help you.
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