The heavy duty dust seal has two lips to better clear the forks compared with the standard dust seals that has one lip

The dual foam layers differ in foam pore size - the innermost foam consists of a more dense foam to catch fine particles of sand and powder

Brush guard fabric for material protection over elbows

Flex hoses and clamps can be easily damaged during installation so it is important to have back ups in your toolbox

20%) compared to conventional sealing rings

UniFilter - Competition II Air Filter (NU-2494ST) Options:Air Filter The heavy duty dust sealDesigned to fit in the factory airbox UNI FILTERs high air flow, superior dirt stopping ability, and long lasting dependability have made the PRO COMP II. The bestselling replacement air filter for competition motorcycles. The UNI FILTERs unique two stage design allows for easy and complete cleaning. The outer layer can be used dry as pre filter allowing for longer intervals between cleanings, or it can be oiled for superior engine protection in