UniFilter - Competition II Air Filter (NU-4146ST) rally2025 The outer layer is made

The outer layer is made from heat-treated glass fiber that is bonded with molten aluminum and then formed into a tight weave for durability and strength

2018 - 2021 Harley-Davidson Softail Low Rider

2016 KTM 85 SX 19/16

but perfect for naked bikes

UniFilter - Competition II Air Filter (NU-4146ST) rally2025 The outer layer is madeDesigned 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