#18 in Automotive air filters & accessories
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Reddit mentions of K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 1.6875 In, Filter Height: 4 In, Flange Length: 1.5 In, Shape: Round Tapered, R-1100
Sentiment score: 1
Reddit mentions: 1
We found 1 Reddit mentions of K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 1.6875 In, Filter Height: 4 In, Flange Length: 1.5 In, Shape: Round Tapered, R-1100. Here are the top ones.
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ENGINEERED POWER: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration. Clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%.EASY INSTALLATION: Pre-oiled and built with simple clamp-on design. One of the easiest and most cost-effective upgrades for your vehicle for quick performance gains.SAVES MONEY: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters.ECO-FRIENDLY: Using a washable, reusable product helps reduce replacement waste. A K&N filter will last longer than 10 disposable filters.WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants.LOW-MAINTENANCE DESIGN: 50,000 miles before your first cleaning under normal highway driving conditions.HIGH QUALITY: Made in America.RACE TESTED: The Official Air Filter of NASCAR. Trusted on the racetrack—made for your vehicle.NO-HASSLE WARRANTY: 1-Year Limited Warranty
Specs:
| Color | Black |
| Height | 7.13 Inches |
| Length | 4.63 Inches |
| Number of items | 1 |
| Release date | September 2009 |
| Weight | 0.1 Pounds |
| Width | 4.63 Inches |
Outisde of the BBK, you can do quite a bit. A 14t front sprocket will give you a bit more acceleration while reducing your top speed 6.667%. For me, it made 4th gear a little more usable.
You can also modify your airbox for really cheap, get a cool air intake kit(~$100), or just stick a cone air filter(K&N R-1100 ~$40) over the top of your throttle body and remove the entire airbox/snorkel.
Since they're pretty popular, you can also get slip-on mufflers for them. My full yosh system was ~$500 and my buddy did the FMF slip on for ~$300. I'm sure there are cheaper exhaust options out there.
They're just so easy to work on! I was not confident in working on bikes until a friend helped me install the 143 kit and since then I do most of the service on my other bikes too.