KLX250SF: Fuel and Intake

Unlock your KLX300's hidden power potential with this proven airbox modification using the KDX200 high flow snorkel. This popular performance upgrade replaces your bike's restrictive stock air intake snorkel to dramatically improve airflow and breathing, helping your KLX300 produce more horsepower and torque. 

Easy to install and widely recommended by the KLX300 community, this airbox mod is an essential first step for riders looking to increase power, improve throttle response, and enhance overall engine performance. 

Perfect for pairing with exhaust upgrades and ECU tuning, the KDX220 snorkel delivers noticeable gains while maintaining reliable filtration - making it a must-have modification for any KLX300 owner seeking affordable horsepower improvements and better engine breathing. This famous airbox mod works on the KLX250 as well.

The small size and right angle hose barbs make this filter easier to fit into the small space between your fuel petcock and carburetor. Filter body is only 7/8" diameter. Straight filter is 2" long, 90 degree filter is only 1-5/8" long.

This filter is meant for 5/16" fuel lines. Only 1/2" thick it is small enough to fit just about anywhere.

• Increased air flow over the stock air filter
• Designed to increase horsepower and throttle response
• Designed to fit 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

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-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

• 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"

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.