I have been using k&n for over 30 years, engine and cab air. I currently have a 4dr civic with 225,000 miles and a silverado v6 with 315,000 miles, both bought new. Both have had k&n filters since the first week of ownership. All have been cleaned and reoiled at least once a year, cabin usually twice. They all look great, and engines do not consume any more oil than when they were new. The savings in waste and money are ridiculous if you buy things and keep them. If you prefer to change vehicles frequently, probably not for you...
Owner reviews for cabin filter
ive just changed mine again myself, 1 year later, but they arent much. independent garage wanted £80-90 to change, bought a filter for £22 (valeo max protect) and it takes about 5mins to change
Cabin air filter is something you need to replace periodically. $130 seems high but I have tried it myself and found it to be a PITA. I took it to a dealer, who charged something like $100 but it felt worth it to me.
I just did both on my 2005 corolla last week and it was $42 for both parts and 15 minutes of my time. Wpuld jave been $196 at budget near me.
I personally use Mahle LAK 888 on my Jetta mk7. No regrets. Great choice.
I do mine every time i do my oil, I buy Mann carbon impregnated ones
RockAuto even as a Canadian. 2025 Crosstrek cabin filters are $62 at the dealership. NAPA sells WIX filters for $40. RockAuto sells them for $13 CAD. Only issue is having to order a fair amount of stuff to offset shipping. But worth it.
ABS or TPU? Im thinking about making somthing similar for my ND2.
I've used them in past vehicles - in my opinion, not worth it. No amount of cleaning will truly remove fine particles that the filter captures. I'm more comfortable using cheaper disposable filters.
IMO, don't get the really thick ones with carbon (like Fram FreshBreeze) - they restrict airflow and can cause the resistor and motor to overheat (essentially it's like a clogged/dirty filter)
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