These DNA power filters are at least as good as the K&N filters! Tests show time after time that the DNA filters increase the power and filtering. These DNA filters have a very long warranty and are made of cotton, so you can maintain them perfectly! In addition, these filters are much easier to tune than cheap paper filters.

Specifications: 

• Part Number: XVO-5104
• Design: Oval
• ID: 38 mm, 44 mm, 51 mm, 54 mm
• Total Length: 87 mm
• Filter Length: 68 mm
• Outside Diameter Big: 100 x 75 mm
• Outside Diameter Small: 77 x 52 mm
• Flange: 16 mm
• Top Style: Alu top

The filters are washable. Oil them in and you can re-use the filters again.