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Composite Top
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.
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Mounting Flange
Inside Diameter |
Base
Diameter |
Top
Diameter |
Filter
Length |
Flange
Length |
Flange
Type |
Part # |
|
Inch |
mm |
Inch |
mm |
Inch |
mm |
Inch |
mm |
Inch |
mm |
|
3 |
76 |
6 |
152 |
5 |
127 |
6 |
152 |
1-3/4 |
44 |
Centered |
RF-1047 |
|
4 |
102 |
5-3/8 |
136 |
4 |
102 |
5-1/2 |
140 |
5/8 |
16 |
Centered |
RP-4660 |
|
4-1/2 |
114 |
5-7/8 |
149 |
4-1/2 |
114 |
6 |
152 |
5/8 |
16 |
Centered |
RP-4740 |
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Titanium Top
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
Inside Diameter |
Base
Diameter |
Top
Diameter |
Filter
Length |
Flange
Length |
Flange
Type |
Part # |
|
Inch |
mm |
Inch |
mm |
Inch |
mm |
Inch |
mm |
Inch |
mm |
|
6 |
152 |
7-1/2 |
190 |
4-1/2 |
114 |
5 |
127 |
1 |
25 |
Centered |
RT-4590 |
|
6 |
152 |
7-1/2 |
190 |
4-1/2 |
114 |
4 |
102 |
1 |
25 |
Centered |
RT-4600 |
|
4-1/2 |
114 |
5-7/8 |
149 |
4-1/2 |
114 |
5 |
127 |
5/8 |
16 |
Centered |
RT-4610 |
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Inverted Top
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
Inside Diameter |
Base
Diameter |
Top
Diameter |
Filter
Length |
Flange
Length |
Flange
Type |
Part # |
|
Inch |
mm |
Inch |
mm |
Inch |
mm |
Inch |
mm |
Inch |
mm |
|
2-3/4 |
70 |
5-7/8 |
149 |
5-1/4 |
133 |
5 |
127 |
3/4 |
19 |
Centered |
RR-2801 (Red) |
|
2-3/4 |
70 |
5-7/8 |
149 |
5-1/4 |
133 |
5 |
127 |
3/4 |
19 |
Centered |
RR-2802 (Blue) |
|
2-3/4 |
70 |
5-7/8 |
149 |
5-1/4 |
133 |
5 |
127 |
3/4 |
19 |
Centered |
RR-2803 (Polished) |
|
3 |
76 |
6 |
152 |
5-1/4 |
133 |
5 |
127 |
1-3/4 |
44 |
Centered |
RR-3001 (Red) |
|
3 |
76 |
6 |
152 |
5-1/4 |
133 |
5 |
127 |
1-3/4 |
44 |
Centered |
RR-3002 (Blue) |
|
3 |
76 |
6 |
152 |
5-1/4 |
133 |
5 |
127 |
1-3/4 |
44 |
Centered |
RR-3003 (Polished) |
Not legal for use in California, or other states with similar emissions control regulations. See product applications for specifications regarding emissions standards and CARB regulations.
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