DNA Air Filters - Stage 2 Air Filter Cover for Yamaha YZ 450 F import_2024-09-12 Holds bearings and seals square

Holds bearings and seals square to its bore

The windshield of the GS seems to be very unstable

Thermo foamed 3D air channels for maximum ventilation

K&N Million-Mile Warranty

DNA Air Filters - Stage 2 Air Filter Cover for Yamaha YZ 450 F import_2024-09-12 Holds bearings and seals squareThe DNA Stage 2 Kit, can be either a DNA filter or a DNA cover that is designed to replace a part of the air box, seriously increasing air flow to the engine. With the proper fuel re calibration, the results are always very impressive. DNA High Performance Air filters help provide optimal flow, maximum engine performance and fuel efficiency through a world class filtration design that removes 98% 99% of air contaminants. Each filter is designed and