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K&N Universal Air Filters with Custom Caps

K&N Universal Air Filters with Carbon Fiber Top

K&N Carbon Fiber Top Universal Air Filters

With advance composite technology, carbon fiber provides the ultimate in strength with minimal weight. Carbon fiber provide 1/3 less weight than conventional filter top construction material. Smooth, glass like finish provides the ultimate in finish, fit, function and performance only available from K&N.

Select a universal air filter type below to see a list of all air filters for that type.

Mounting Flange I.D.Base DiameterTop DiameterFilter LengthFlange LengthFlange TypeK&N Air Filter
inchmminchmminchmminchmminchmm
3*76615251276152125Centered**RP-5044
3766152512761521-3/444Centered**RF-1047
3-1/2*8912x6305x1529-15/16x3-15/16252x100615215/1624CenteredRF-1038
3-7/8*9812x6305x1529-15/16x3-15/16252x100717815/1624Centered**RP-5103
3- 7/8*9812x6305x1529-15/16x3-15/16252x100615215/1624CenteredRP-5070
41025-3/813641025-1/21405/816CenteredRP-4660
41025-3/813641025-1/161295/816CenteredRP-4930
41025-3/8136410271785/816CenteredRP-4970
41025-3/813641026-1/21655/816CenteredRP-4980
4-1/21145-7/81494-1/211461525/816CenteredRP-4740
4-1/21145-7/8149410261525/816CenteredRP-5101
6x2*152x5112x3-1/2305x8911x2-1/2279x645-3/41467/822CenteredRF-1050
61527 1/21904-1/21154102125CenteredRP-4600

 

* - Flange Dimension is outside diameter
** - Filter has molded-in velocity stack


K&N Titanium Top Universal Air Filters

K&N Titanium Top Universal Air Filters

When it comes to exotic race materials, titanium is well known for it's lightweight and increased strength to weight ratio. Offering lighter weights than conventional filter tops and more rigidity. K&N titanium top filters are the next generation in filter design.

Mounting Flange I.D.Base DiameterTop DiameterFilter LengthFlange LengthFlange TypeK&N Air Filter
inchmminchmminchmminchmminchmm
61527-1/21904-1/21145127125CenteredRT-4590
61527-1/21904-1/21144102125CenteredRT-4600
4-1/21145-7/81494-1/211451275/816CenteredRT-4610

K&N Inverted Top Universal Air Filters

K&N Inverted Top Universal Air Filters

A unique approach to filter design and concept. With a filtering top that actually inverts, dropping into the cylinder of the filter. Surface area is greatly increased providing more filtration and air flow. With three colors options, you can now customize your intake to match the rest of your car.

Mounting Flange I.D.Base DiameterTop DiameterFilter LengthFlange LengthFlange TypeK&N Air FilterColor
inchmminchmminchmminchmminchmm
2-3/4705-7/81495-1/413351273/419CenteredRR-2801(Red)
2-3/4705-7/81495-1/413351273/419CenteredRR-2802(Blue)
2-3/4705-7/81495-1/413351273/419CenteredRR-2803(Polished)
37661525-1/413351271-3/444Centered**RR-3001(Red)
37661525-1/413351271-3/444Centered**RR-3002(Blue)
37661525-1/413351271-3/444Centered**RR-3003(Polished)

 

** - Filter has molded-in velocity stack


These filters are legal ONLY for racing vehicles. Not applicable, nor intended for use on emission controlled street or highway vehicles.