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K& N filters

Yes, the part number is the same on both sides.I ordered them from Amazon.The part number is CM-9910

I sell the set of (2) for $37.50 each ($75.00 total) Free shipping. I sell (1) CM-9910 K&N Air Filter for $39.50 delivered. I think they are more expensive on Amazon.
 
I do not think you are going to notice a performance increase and you will not notice any additional noise.You will have two air filters that are cleanable and should last the life of the bike.And you will have peace of mind knowing you are flowing a decent amount of air to the CVT
 
air + fuel + spark

The K&N filter media can increase air flow by up to 50% over the paper filter, especially if it's damp or humid. Whether you see a performance increase can depend a lot on how "smart" the engine control system is, so your results may vary. Many air boxes are also designed to act as sound dampeners to reduce drive train noise. I've seen some decent gain on older machines, especially if I take the time to clean up the air path to the carbs. Good example here ...

AirboxLinerPrep.jpgAirboxLinerDone.jpg

Sound difference will depend on the motor (or in this case drive train) as well as on the RPMs and how hard you're driving it. My Royal Star will flat out howl when I push it, and my Northstar gets a healthy growl (but that's with a full cold air aftermarket setup).

Here's a video that's got a lot of good info specific to the Ryker. Bonus points to the first one who hacks the stock airbox to replace the restrictive stock outlet pipe in the stock box, allowing you to keep the stock look using a flat filter with the stock inlet scoop.

* Only thing I'd argue is that the stock box reroutes the air into the honeycomb to reduce internal engine noise and not to straighten airflow as claimed in the video.

 
Filters are installed, wife will ride it today and we will see if there is any noticeable difference.

I don't think there will be anything earth shattering coming from changing the air filters. I use them because they are maintainable.
 
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