No, everyone here who's done installed one has done so well within the warranty period. Its also covered under the Manguson-Moss Act, which says that aftermarket components can't void a warranty unless the component is proven to have caused the problem or failure.
Not to rain on your parade -- and I have no direct experience with Jeep on this issue --but I know that Land Rover was particularly militant about denying claims where a K&N had been installed. LR claimed that the oils on the K&N would affect/destroy the MAF. In fact, I had a K&N on my discovery for 60K miles with no problems (although I never re-oiled it) and the truck started throwing codes related to the MAF after a new enginge was installed (under warranty and it's a really long story) and LR refused to cover the MAF under warranty and blamed the K&N -- despite 60K trouble free miles with the K&N. So, long story short, I like the K&N but don't know how Jeep will respond to warranty claims with a K&N installed. Although you could always take out the K&N before service.
Not to rain on your parade -- and I have no direct experience with Jeep on this issue --but I know that Land Rover was particularly militant about denying claims where a K&N had been installed. LR claimed that the oils on the K&N would affect/destroy the MAF. In fact, I had a K&N on my discovery for 60K miles with no problems (although I never re-oiled it) and the truck started throwing codes related to the MAF after a new enginge was installed (under warranty and it's a really long story) and LR refused to cover the MAF under warranty and blamed the K&N -- despite 60K trouble free miles with the K&N. So, long story short, I like the K&N but don't know how Jeep will respond to warranty claims with a K&N installed. Although you could always take out the K&N before service.
"Taken with a large grain off salt!!"
Anyone else have any thoughts about this and how it relates to a Jeep?
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