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Filter Wraps > Air Filter Foam Wrap - Treated

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25-5911
 
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The K&N Airforce Pre-Cleaner is a specially designed foam filter wrap made to extend the service interval of your K&N Filtercharger when used in very dusty conditions. The Airforce Pre-Cleaner is designed to be cleaned with K&N Cleaner or soap & water. Red colored Airforce pre-cleaners air oiled with K&N air filter oil after they are cleaned. They are made from large, open cell foam. Gray colored Airforce pre-cleaners do not use oil. They have smaller foam cells. [MORE]
Available Information
25-5911 Vehicle Applications


Part 25-5911 Product Specifications
Product Style: Filter Wrap - Oval Straight
Wrap Type: Wetsuit
Color: Blue
Material Used: Silicone Treated Foam
Inside Width: 4.5 in (114 mm)
Inside Length: 7 in (178 mm)
Height: 2 in (51 mm)
Closed Top: Yes
Package Contents: 1 Wetsuit Wrap
Package Quantity: 1
Air Filter Shape: Oval
Weight: 0.17 lb (0.08 kg)
Product Box Length: 8.5 in (216 mm)
Product Box Width: 2.5 in (64 mm)
Product Box Height: 12 in (305 mm)



Customer Feedback      Be the first to review part 25-5911

Filters were back ordered upon order. No problem though as the other filter was delivered within 6 days. A few days later another order arrives with 1 of the SN-2530 filters and 3 days later the second filter arrives. By the way filters are being used to fabricate a breather system for a 650 Kawasaki dirt tracker.
Gary McNary, Clearwater, Florida
I installed my first K&N filter in 1975 while I was the manager at Small Car Accessories, a high performance VW shop in Sunnyvale CA. At the time I ran these filters on both of my Corvair powered VW's, a '58 Single Cab pickup, which I still drive, and a '71 bug. They worked really well on the street, giving me an extra mile or two per gallon with pretty much 'filter-less' performance, and worked especially well in the shop's sand rail. Other filters would pack it in when running the dunes at Pismo and until the K&N's came along, you carried a couple of extra filters. The K&N's not only kept the sand out, but did well when packed with sand. A quick stop and a quick tap or two and they were ready to go again. Because they flowed air so well and were so easy to clean. We sold a lot of them to our off-roading customers, and they loved them. At the time, RURA racers ran their buggies and Bajas at a track near the old Fremont Drag Strip where they used them for their performance value and reusability. These days I run a K&N filter in my '99 Ranger, where I picked up just over 1 mpg with just the filter change. I still use a K&N in my old Single Cab, which since 1981 has sported a 351 Ford Windsor engine and Ford drive train (over 60,000 miles). My '82 Yamaha 650 Seca still has the K&N air filter I installed at the first filter change over 52,000 miles back. There is also a K&N on my Café style Iron Head Sporty (48,000 miles), my wife's modified 750 Virago (two pod style filters), my '05 Triumph Tiger (added three HP on the dyno) and the '97 GS500 Suzuki I recently saved from the back of a neighbor's yard. I'm taking the time to write this because the K&N filter is a product which is truly as excellent as the manufacture claims. Besides the maximum star rating I also give K&N filter a 'two thumbs up.'
Kim Crumb, Forestville, California
Great product as are most of K&N products. It made my bike run and sound better. The air intake is much more effective now. My '09 Yamaha FZ6 is a missile! Couldn´t be happier with such a great quality product! Thanks for taking such good care of your customers K&N!
Vinicius Segantini, Natal, Brazil

K&N 25-5911 fits the following:
1996 YAMAHA WRA650 WAVERUNNER III 633 - Use w/59-2000, Red
1995 YAMAHA WRA650 WAVERUNNER III 633 - Blue
1995 YAMAHA SJ700 SUPER JET 701 - Blue
1995 YAMAHA FX700 FX-1 701 - Blue
1995 KAWASAKI JS550 SX 530 - Use w/59-2000, Blue
1995 KAWASAKI JL650 SC 635 - Use w/59-2000, Blue
1994 YAMAHA WRA650 WAVERUNNER III 633 - Blue
1994 YAMAHA SJ700 SUPER JET 701 - Blue
1994 YAMAHA FX700 FX-1 701 - Blue
1994 KAWASAKI JS550 SX 530 - Use w/59-2000, Blue
1994 KAWASAKI JL650 SC 635 - Use w/59-2000, Blue
1993 YAMAHA WRA650 WAVERUNNER III 633 - Blue
1993 YAMAHA WR500 WAVERUNNER 497 - Use w/59-2000, Blue
1993 YAMAHA SJ650 SUPER JET 650 - Blue
1993 KAWASAKI JS650 SX 635 - Use w/59-2000, Blue
1993 KAWASAKI JS550 SX 530 - Use w/59-2000, Blue
1993 KAWASAKI JL650 SC 635 - Use w/59-2000, Blue
1992 YAMAHA WRA650 WAVERUNNER III 633 - Red
1992 YAMAHA WR650 WAVERUNNER 650 - Blue
1992 YAMAHA WR500 WAVERUNNER 497 - Use w/59-2000, Blue
1992 YAMAHA WR500 497 - Use w/59-2000, Blue
1992 YAMAHA SJ650 SUPER JET 650 - Blue
1992 KAWASAKI JS650 SX 635 - Use w/59-2000, Blue
1992 KAWASAKI JS550 SX 530 - Use w/59-2000, Blue
1992 KAWASAKI JS440 436 - Use w/59-2000, Blue
1992 KAWASAKI JL650 SC 635 - Use w/59-2000, Blue
1991 YAMAHA WRA650 WAVERUNNER III 633 - Red
1991 YAMAHA WR650 WAVERUNNER 650 - Blue
1991 YAMAHA WR500 WAVERUNNER 497 - Use w/59-2000, Blue
1991 YAMAHA SJ650 SUPER JET 650 - Blue
1991 KAWASAKI JS650 SX 635 - Use w/59-2000, Blue
1991 KAWASAKI JS550 SX 530 - Use w/59-2000, Blue
1991 KAWASAKI JS440 436 - Use w/59-2000, Blue
1991 KAWASAKI JS300 300 - Blue
1991 KAWASAKI JL650 SC 635 - Use w/59-2000, Blue
1990 YAMAHA WRA650 WAVERUNNER III 633 - Red
1990 YAMAHA WR650 WAVERUNNER 650 - Blue
1990 YAMAHA WR500 WAVERUNNER 497 - Use w/59-2000, Blue
1990 YAMAHA WJ500 WAVE JAMMER 497 - Use w/59-2000, Blue
1990 YAMAHA SJ650 SUPER JET 650 - Blue
1990 KAWASAKI JS650 SX 635 - Use w/59-2000, Blue
1990 KAWASAKI JS550 550 - Blue
1990 KAWASAKI JS440 436 - Use w/59-2000, Blue
1990 KAWASAKI JS300 300 - Blue
1990 KAWASAKI JL650 SC 635 - Use w/59-2000, Blue
1989 YAMAHA WR500 WAVERUNNER 497 - Use w/59-2000, Blue
1989 YAMAHA WJ500 WAVE JAMMER 497 - Use w/59-2000, Blue
1989 KAWASAKI JS650 SX 635 - Use w/59-2000, Blue
1989 KAWASAKI JS550 550 - Blue
1989 KAWASAKI JS440 436 - Use w/59-2000, Blue
1989 KAWASAKI JS300 300 - Blue
1988 YAMAHA WR500 WAVERUNNER 497 - Use w/59-2000, Blue
1988 YAMAHA WJ500 WAVE JAMMER 497 - Use w/59-2000, Blue
1988 KAWASAKI JS650 SX 635 - Use w/59-2000, Blue
1988 KAWASAKI JS550 550 - Blue
1988 KAWASAKI JS440 436 - Use w/59-2000, Blue
1988 KAWASAKI JS300 300 - Blue
1987 KAWASAKI JS650 SX 635 - Use w/59-2000, Blue
1987 KAWASAKI JS550 550 - Blue
1987 KAWASAKI JS440 436 - Use w/59-2000, Blue
1987 KAWASAKI JS300 300 - Blue
1986 KAWASAKI JS650 SX 635 - Use w/59-2000, Blue
1986 KAWASAKI JS550 550 - Blue
1986 KAWASAKI JS440 436 - Use w/59-2000, Blue
1986 KAWASAKI JS300 300 - Use w/59-2000, Blue
1985 KAWASAKI JS550 550 - Blue
1985 KAWASAKI JS440 436 - Use w/59-2000, Blue
1984 KAWASAKI JS550 550 - Blue
1984 KAWASAKI JS440 436 - Use w/59-2000, Blue
1983 KAWASAKI JS550 550 - Blue
1983 KAWASAKI JS440 436 - Use w/59-2000, Blue
1982 KAWASAKI JS550 550 - Blue
1982 KAWASAKI JS440 436 - Use w/59-2000, Blue
1981 KAWASAKI JS440 436 - Use w/59-2000, Blue
1980 KAWASAKI JS440 436 - Use w/59-2000, Blue
1979 KAWASAKI JS440 436 - Use w/59-2000, Blue
1978 KAWASAKI JS440 436 - Use w/59-2000, Blue
1977 KAWASAKI JS440 436 - Use w/59-2000, Blue
1976 KAWASAKI JS400 400 - Blue
1975 KAWASAKI JS400 400 - Blue
1974 KAWASAKI JS400 400 - Use w/59-2000, Blue