K and N Yamaha Race Spec High-Flow Air Filters are specifically designed to make your vehicle run better and perform at a higher level. K&N Yamaha Race Spec High-Flow Air Filters are made with unique characteristics that separate them from the pack, and allow your vehicle to get better air filtration to boost your performance. K & N Yamaha Race Spec High-Flow Air Filters have advanced filtering capabilities and will dramatically increase the air to your engine, giving it more power and extending the life of your engine.
K&N Race-Spec Air Filters are designed to deliver an increase in power that you can feel. Designed for closed course competition, a Race-Spec Air Filter provided an amazing 20% more airflow over a standard K&N High-Flow Air Filter
Developed with factory race teams using K&N's 40 years of race proven experience
Designed with 25% fewer pleats than the standard High-Flow Air Filters
Two-ply cotton media provides increased airflow over a K&N OE Replacement Air Filter
Unique pleat pattern designed to be less restrictive
Designed to increase horsepower and acceleration for the racetrack
Washable and reusable
Designed to fit directly inside your OE air box
K&N One-Year Limited Warranty
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This review is for K&N Performance Oil Filters - KN-204
Works - wilwrk4tls TN
Recommended by Reviewer: Yes
Pros: Fit just like it is supposed to, hex for socket
Cons: Slightly smaller volume of filter than OEM
I guess it is kind of hard to know right away, but the filter seems to be doing the trick. Fit just fine, no leaking, and it was nice to have the hex to install it with- the filter I removed did not and it was a hassle and a half to remove it.