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Jim DeSantis
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Have run K&N for the past 25+ years and have noticed better acceleration in almost ever vehicle. Have read through a lot of threads and have included an independent test with a dyno link to prove you can get +/- 3bhp increase. My thought is if spending $50-$100 on a 3Bhp increase is well worth it for performance. Yes, when you re-oil the filter you need to do it carefully. I have a Honda CRV with 260k+ miles and have never had any sensors or engine issues and installed the K&N brand new. I have run K&N over 100k miles on many other (Acura TL, Honda S2000, etc) vehicles with the same result and now have a 2014 Boxster S and noticed a definite increase in acceleration and love the new sound. Truthfully can't say I have noticed any gas mileage increase, but enjoy the difference in slight performance. Some cars were noticeable, and others very subtle. Needed to balance the comments here and time will tell.. for me.. even if i replace the K&N in 10k miles and don't clean/re-oil them it is worth the money. If you drive a High Performance car and can't afford to spend the money on the filters.. that is your decision. High-Performance Air Filters Actually Work - K&N High-Flow Engine Air Filter Tested (roadandtrack.com)
