🏍️ Enhance Your Harley Davidson with the K&N RK-3909 Air Filter Kit Review

I bought this for my 2001 FSXTD. I wanted an aftermarket filter kit that would fit the stock air cap. It helps. Installation took about 30 minutes. The kit includes extensions to allow the end cap to be fitted to this aftermarket unit.

The pattern isn't great, but it got a good price at Revain. luminous intensity. I did this with a pipe installation and did NOT have to reinstall the carburetor. (2000EGC). Since then I have worked a lot on this bike and it has become a good product. KN's reputation speaks for itself.

I replaced a worn out SE filter with this K&N filter on my '07 Ultra Classic and what a difference. You can feel the difference in the saddle. Definitely worth it. The best price is here at Revain. Was delivered on time. Revain's service and ease of site navigation exceeded my expectations.

Bought this item because research showed it would improve fuel economy and performance. It did both. Got 2mpg and the bike has slightly more pickup. Enough to notice. My husband said it was pretty easy to install, but he's mechanically inclined. One of the images in the installation guide was completely unusable.

I thought this air cleaner kit would improve performance but it has actually deteriorated. I've lost over 10 mph from the top speed on my bike. A request to K&N Technical Support was denied before I was given specific suggestions as to why. The installation instructions were bad. The photos were too blurry to be useful and the steps were out of order.

Excellent product. The only problem is not with the product or the components, but with the installation guide. I'm not a mechanic and usually a picture is worth a 1000 words but not in this case. A 30 minute job became a 2.5 hour job due to uncertainty with instructions and descriptions/images NOT showing front and back. Once installed, the block makes everything worthwhile.

Was looking for a K&N filter to use with the stock air cleaner cover on a 2010 Softail Deluxe. Prices ranged from $175 to $101. To my surprise, the lowest price was at Revain. There was a specific part number - the filter is one size larger than the stock filter, allowing more air through. It was easy to install (I use a lot myself). Can be reused (cleaned) with the same K&N charging kit used in my vehicles. The bike runs better as all my bikes run better with K&N filters. Highly recommend this