Add Performance to Buell 1125R and 1125CR Motorcycles with K&N Air Filter

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The 2009 Buell 1125CR takes the leap from the street fighter category to superbike. The new motorcycle is Erik Buell’s interpretation of the classic café racer. Targeted fuel injectors, relocated O2 sensors and updated engine spark and fuel maps improve its drive- ability.

K&N BU-1108 lifetime replacement air filter for the Buell 1125R and Buell 1125CR
K&N BU-1108 lifetime replacement air filter for the Buell 1125R and Buell 1125CR
K&N has released a new replacement air filter BU-1108 which is designed to increase horsepower and acceleration while providing excellent filtration. It fits the 2009 and 2010 Buell 1125CR and Buell 1125R. It also fits the 2008 Buell 1125R. This K&N air filter is made from cotton instead of paper and will never need to be replaced.

The BU-1108 is a washable and reusable panel air filter that requires cleaning every fifty thousand miles under normal driving conditions. Simply remove the disposable air filter and drop in the K&N motorcycle air filter for a lifetime of performance. Backed by K&N’s Million Mile Limited Warranty it will be the last air filter your Buell will ever need.

Use the K&N application search to find all K&N products for your motorcycle or other vehicle then use the K&N dealer search to find a K&N dealer near you.

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K&N Engineering, Inc., with headquarters in Riverside, California, has been the world's leader in performance filter technology since 1969, serving the needs of the automotive, motorcycle, marine, industrial and military markets. K&N is heavily involved in nearly every form of motorsports from off-road and powersports to drag racing, stock cars and road racing. For more information about K&N Filters, please contact K&N Engineering, Inc., P.O. Box 1329, Riverside, CA 92502-1329, (800) 213-4182 for a dealer near you, (800) 858-3333 for technical service/questions, (951) 826-4001 Fax, e-mail, or visit