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• Designed to provide increased performance
• Washable and reusable, pre-oiled and ready to ride
• Multi-layers of woven cotton gauze media offers excellent filtration
• Pleated media provides a large filtration area offering long service intervals
• Fits directly into OEM airbox with application specific Sealing Bead to ensure a precise fit
• Fuel-management modifications are not required for increased performance
• Made in the U.S.A. for over 50 years

• Fits directly into OEM airbox with application specific Sealing Bead to ensure a precise fit
• Fuel-management modifications are not required for increased performance
• Pleated media provides a large filtration area offering long service intervals
• Designed to provide increased performance
• Made in the U.S.A.

• Fits directly into OEM airbox with application specific Sealing Bead to ensure a precise fit
• Fuel-management modifications are not required for increased performance
• Pleated media provides a large filtration area offering long service intervals
• Washable and reusable, pre-oiled and ready to ride
• Designed to provide increased performance

• Increased air flow over the stock air filter
• Designed to increase horsepower and throttle response
• Easily fits inside the factory air box
• Larger surface area over foam filters which offers longer service intervals in dusty conditions
• Four layers of premium cotton gauze provides outstanding filtration
• Washable & re-usable, never wears out
• One filter will last the lifetime of your bike

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. 

Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's No-Hassle Lifetime Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. 

Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product! 

Will not void vehicle warranty

• Fits directly into OEM airbox with application specific Sealing Bead to ensure a precise fit
• Fuel-management modifications are not required for increased performance
• Pleated media provides a large filtration area offering long service intervals
• Washable and reusable, pre-oiled and ready to ride
• Designed to provide increased performance

Dual stage foam: 2 different pore sizes create more trapping area for even the smallest dust particles.

Flame laminated foam: Both "Stages" are not glued but heat sealed to provide maximum air flow.

Light color foam makes it easier to see where the filter oil has covered and where it has not.

• Made of flame-laminated dual-layer foam, bonded with the highest quality glue to stand up to the roughest and toughest of any style of riding or terrain
• This filter, used with No Toil foam filter treatment, provides the best air filtration system in the world
• Fully open-cell structure for highest airflow and maximum protection
• Heavy-duty glue provides protection from all solvents
• Wide soft sealing ring for extra protection
• Flexible seams prevent cracking
• Original OEM size

• Dual stage foam: Two different pore sizes create more trapping area for even the smallest dust particles
• Flame laminated foam: Both “stages” are not glued, but heat sealed to provide maximum air flow
• Reticulated foam: Increases dirt stopping surface area and increase foam strength
• Strongest glue seams will withstand harsh solvents and gas (although we can’t understand why you’d want to use them). Pull as hard as you can, foam will rip before the glued seam will
• Light color foam easier to spot where the filter oil has covered and where it has not
• OEM size for more dirt stopping capability
• Handmade
• Every square inch of each filter is and inspected for quality

No Toil air filter to replace the stock unit. Fits the stock airbox using the standard guide and frame. It requires foam filter oil to properly trap dirt particles. Don't forget the Evolution Air Filter Oil kit from No Toil.

• Made of flame-laminated dual-layer foam, bonded with the highest quality glue to stand up to the roughest and toughest of any style of riding or terrain
• This filter, used with No Toil foam filter treatment, provides the best air filtration system in the world
• Fully open-cell structure for highest airflow and maximum protection
• Heavy-duty glue provides protection from all solvents
• Wide soft sealing ring for extra protection
• Flexible seams prevent cracking
• Original OEM size

A quality foam Air Filter to replace the stock one. Uses the same guide and frame as the stock unit. It requires foam filter oil to properly trap dirt particles. Don't forget the Evolution Air Filter Oil kit from No Toil.

• Designed to fit in the factory air box exactly like original filter
• The best selling replacement air filter for competition motorcycles and ATVs
• Unique two stage design allows for easy and complete cleaning
• Dual layer of foam, can be serviced separately
• Thin Ultra Seal base is virtually impossible to tear and has a built-in "Grease Groove"

• Designed to fit in the factory air box exactly like original filter
• The best selling replacement air filter for competition motorcycles and ATVs
• Unique two stage design allows for easy and complete cleaning
• Dual layer of foam, can be serviced separately
• Thin Ultra Seal base is virtually impossible to tear and has a built-in "Grease Groove"

• Designed to fit in the factory air box exactly like original filter
• The best selling replacement air filter for competition motorcycles and ATVs
• Unique two stage design allows for easy and complete cleaning
• Dual layer of foam, can be serviced separately
• Thin Ultra Seal base is virtually impossible to tear and has a built-in "Grease Groove"

Here's a UNI dual layer foam air filter element for the KLX230. Needs to be treated with air filter oil like any other foam filter.

• Designed to fit in the factory air box exactly like original filter
• Unique two stage design allows for easy and complete cleaning
• Dual layer of foam, can be serviced separately
• Thin Ultra Seal base is virtually impossible to tear and has a built-in "Grease Groove"

Dual stage foam: 2 different pore sizes create more trapping area for even the smallest dust particles. Flame laminated foam: Both "Stages" are not glued but heat sealed to provide maximum air flow. Light color foam makes it easier to see where the filter oil has covered and where it has not.

• Made of flame-laminated dual-layer foam, bonded with the highest quality glue to stand up to the roughest and toughest of any style of riding or terrain
• This filter, used with No Toil foam filter treatment, provides the best air filtration system in the world
• Fully open-cell structure for highest airflow and maximum protection
• Heavy-duty glue provides protection from all solvents
• Wide soft sealing ring for extra protection
• Flexible seams prevent cracking
• Original OEM size

A quality foam Air Filter to replace the stock one. Uses the same guide and frame as the stock unit. It requires foam filter oil to properly trap dirt particles. Don't forget the Evolution Air Filter Oil kit from No Toil.

• Designed to fit in the factory air box exactly like original filter
• The best selling replacement air filter for competition motorcycles and ATVs
• Unique two stage design allows for easy and complete cleaning
• Dual layer of foam, can be serviced separately
• Thin Ultra Seal base is virtually impossible to tear and has a built-in "Grease Groove"

• Precision engineered to perfectly fit the factory airbox, these filters meet or exceed OEM specifications
• Direct replacement of original equipment filter with no need to change carburetor jets or settings
• Manufactured from world-class materials to achieve optimum performance and engine protection

Here's a UNI dual layer foam air filter element to fit our TW200s. Needs to be treated with air filter oil like any other foam filter.

• Designed to fit in the factory air box exactly like original filter
• The best selling replacement air filter for competition motorcycles and ATVs
• Unique two stage design allows for easy and complete cleaning
• Dual layer of foam, can be serviced separately
• Thin Ultra Seal base is virtually impossible to tear and has a built-in "Grease Groove"

• Designed to fit in the factory air box exactly like original filter
• The best selling replacement air filter for competition motorcycles and ATVs
• Unique two stage design allows for easy and complete cleaning
• Dual layer of foam, can be serviced separately
• Thin Ultra Seal base is virtually impossible to tear and has a built-in "Grease Groove"

• Dual-bonded foam design filters out even the smallest dirt particles, while allowing more airflow than two separate layer filters (flow bench proven)
• Twin Air filters are slightly smaller than stock to make them easier to change and to increase dead air space around the filter for better performance
• Flat foam sealing ring securely seats against the airbox, even in the worst riding conditions

Unsurpassed in airflow, dirt stopping and overall performance. Adding a pre-filter to your intake system gives you extra protection from damaging contaminants.

A ProCycle exclusive. This is our favorite air filter for the DR650. Made just for us by the folks at DT1.

• Unique triple stage foam filter designed for the most extreme conditions
• Increased protection against silt, water, and sand
• Allows for extended filter service intervals
• Neoprene base gives superior sealing to air box
• Includes resealable bag for easy oiling and storage

NoToil cleaner NOT recommended with this filter. May cause delamination.

• Unique triple stage foam filter designed for the most extreme conditions
• Increased protection against silt, water, and sand
• Allows for extended filter service intervals
• Can be cleaned, re-oiled, and re-used like a 2-stage filter
• Neoprene base gives superior sealing to airbox
• Includes resealable bag for easy oiling and storage

• Unique triple stage foam filter designed for the most extreme conditions
• Eliminates the need for power robbing dust covers and outerwear covers
• Increased protection against silt, water, and sand
• Allows for extended filter service intervals
• Can be cleaned, re-oiled, and re-used like a 2 stage filter
• Used by factory off road teams around the world

Sold in 6 packs

• Compatible with many air filter boxes. Easy to install by drilling 1’’ holes in airbox housing and snap fitting vents in.
• May be cleaned and re-oiled
• More air flow allows you to add more fuel to your intake mixture, increasing performance.
• 1" Diameter

Not legal for use on pollution controlled vehicles in the state of California.

• Formulated to work in combination with the cotton fabric in K&N Air Filter elements to provide a superior air filtration system
• Quickly penetrates the filter pleats; remains suspended in the filter pleats
• 8 U.S. FL OZ. / 237 ML
• Made in the U.S.A.

• High-performance cleaner and degreaser specifically formulated to remove oil, lubricants, grease, grime and other deposits
• Formulated to clean K&N Filtercharger air filter elements
• Dissolves dirt buildup and old filter oil; washes away with water
• Biodegradable; safe on paint, plastic, cast aluminum and rubber
• 355 ML / 12 U.S. FL OZ. Spray Bottle, Instructions included
• Made in the U.S.A.
• Do not use on polished or anodized aluminum.

This DR650 Oil Filter Guard is CNC machined from solid 6061 aluminum, black anodized, and then custom laser etched with our logo.

It fits over the fragile OEM magnesium cover and provides great impact protection in the event of a tip over.  Proudly made in the USA. 

Dust/waterproof synthetic/petroleum blend for foam-type air filter elements. Super-tacky polymer and co-polymer additives hold onto virtually all fine particles.

• 4-12% increased airflow over competitive products
• Will not plug or migrate off of filters
• Resists washout from carburetor fogging
• Dyed dark blue to ensure even coverage
• Made in the U.S.A.