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- K&N Round Straight Universal Air Filters
K&N Round Straight Universal Filters are the best quality and performance air filter option for your application. Whether you are building your own cold air induction kit or you have an application that is just a little different K&N has many of the sizes and styles to fit your performance needs. Features: K&N quality and performance Several Sizes and Styles to fit your needs Clean and re-oil instead of replace 
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PRICE
0.75'' (19 mm) Flange Dia. (F)
Round Straight Air Filter Flange Dia. (F): 0.75'' (19 mm) Outside Dia. (D): 2'' (51 mm) Length (L): 2.5'' (64 mm) Top Style: Rubber Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$54.99
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1'' (25 mm) Flange Dia. (F)
Round Straight Air Filter Flange Dia. (F): 1'' (25 mm) Outside Dia. (D): 3'' (76 mm) Length (L): 2.5'' (64 mm) Top Style: Metal Flange Length (FL): 1'' (25 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$19.99
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1.063'' (27 mm) Flange Dia. (F)
Round Straight Air Filter Flange Dia. (F): 1.063'' (27 mm) Outside Dia. (D): 3'' (76 mm) Length (L): 3'' (76 mm) Top Style: Rubber Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$54.99
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1.25'' (32 mm) Flange Dia. (F)
Round Straight Air Filter Flange Dia. (F): 1.25'' (32 mm) Outside Dia. (D): 3'' (76 mm) Length (L): 3'' (76 mm) Top Style: Rubber Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$69.99
Estimated to ship direct from manufacturer on 09/30/22, pending manufacturer availability.
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Round Straight Air Filter Flange Dia. (F): 1.25'' (32 mm) Outside Dia. (D): 3'' (76 mm) Length (L): 4'' (102 mm) Top Style: Rubber Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$44.99
Estimated to ship direct from manufacturer on 09/30/22, pending manufacturer availability.
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Round Straight Air Filter Flange Dia. (F): 1.25'' (32 mm) Outside Dia. (D): 3'' (76 mm) Length (L): 5'' (127 mm) Top Style: Rubber Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$42.99
Estimated to ship direct from manufacturer on 09/30/22, pending manufacturer availability.
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Round Straight Air Filter Flange Dia. (F): 1.25'' (32 mm) Outside Dia. (D): 3'' (76 mm) Length (L): 4'' (102 mm) Top Style: Rubber Flange Length (FL): 0.75'' (19 mm) Flange Angle (FA): 20º Flange Offset: 0''
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$54.99
Estimated to ship direct from manufacturer on 10/13/22, pending manufacturer availability.
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Round Straight Air Filter Flange Dia. (F): 1.25'' (32 mm) Outside Dia. (D): 3'' (76 mm) Length (L): 5'' (127 mm) Top Style: Rubber Flange Length (FL): 0.75'' (19 mm) Flange Angle (FA): 20º Flange Offset: 0''
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$54.99
Estimated to ship direct from manufacturer on 09/30/22, pending manufacturer availability.
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1.5'' (38 mm) Flange Dia. (F)
Round Straight Air Filter Flange Dia. (F): 1.5'' (38 mm) Outside Dia. (D): 3.5'' (89 mm) Length (L): 3.5'' (89 mm) Top Style: Rubber Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$99.99
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Round Straight Air Filter Flange Dia. (F): 1.5'' (38 mm) Outside Dia. (D): 3'' (76 mm) Length (L): 4'' (102 mm) Top Style: Rubber Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$49.99
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Round Straight Air FilterFlange Dia. (F): 1.5" (38 mm) Outside Dia. (D): 3" (76 mm) Length (L): 6" (152 mm) Top Style: Rubber Flange Length (FL): 0.625" (16 mm) Flange Angle (FA): 0º Flange Offset: 0"
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$46.99
Estimated to ship direct from manufacturer on 09/30/22, pending manufacturer availability.
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1.562'' (40 mm) Flange Dia. (F)
Round Straight Air Filter Flange Dia. (F): 1.562'' (40 mm) Outside Dia. (D): 3.5'' (89 mm) Length (L): 1.5'' (38 mm) Top Style: Metal Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$159.99
Estimated to ship direct from manufacturer on 09/30/22, pending manufacturer availability.
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Round Straight Air Filter Flange Dia. (F): 1.562'' (40 mm) Outside Dia. (D): 3'' (76 mm) Length (L): 2'' (51 mm) Top Style: Metal Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$199.99
Estimated to ship direct from manufacturer on 09/30/22, pending manufacturer availability.
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Round Straight Air Filter Flange Dia. (F): 1.562'' (40 mm) Outside Dia. (D): 3'' (76 mm) Length (L): 3'' (76 mm) Top Style: Metal Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0'' 4/pkg
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$254.99
Estimated to ship direct from manufacturer on 09/30/22, pending manufacturer availability.
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Round Straight Air Filter Flange Dia. (F): 1.562'' (40 mm) Outside Dia. (D): 3'' (76 mm) Length (L): 2.25'' (57 mm) Top Style: Metal Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$119.99
Estimated to ship direct from manufacturer on 09/30/22, pending manufacturer availability.
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Round Straight Air Filter Flange Dia. (F): 1.563'' (40 mm) Outside Dia. (D): 3'' (76 mm) Length (L): 2.5'' (64 mm) Top Style: Metal Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$36.99
Estimated to ship direct from manufacturer on 09/30/22, pending manufacturer availability.
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Round Straight Air Filter Flange Dia. (F): 1.563'' (40 mm) Outside Dia. (D): 3.5'' (89 mm) Length (L): 1.5'' (38 mm) Top Style: Metal Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$59.99
Estimated to ship direct from manufacturer on 09/30/22, pending manufacturer availability.
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Round Straight Air Filter Flange Dia. (F): 1.563'' (40 mm) Outside Dia. (D): 3'' (76 mm) Length (L): 2'' (51 mm) Top Style: Metal Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$59.99
Estimated to ship direct from manufacturer on 09/30/22, pending manufacturer availability.
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Round Straight Air Filter Flange Dia. (F): 1.563'' (40 mm) Outside Dia. (D): 3'' (76 mm) Length (L): 3'' (76 mm) Top Style: Metal Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$69.99
Estimated to ship direct from manufacturer on 09/30/22, pending manufacturer availability.
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Round Straight Air Filter Flange Dia. (F): 1.563'' (40 mm) Outside Dia. (D): 3'' (76 mm) Length (L): 2.25'' (57 mm) Top Style: Metal Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$59.99
Estimated to ship direct from manufacturer on 09/30/22, pending manufacturer availability.
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1.688'' (43 mm) Flange Dia. (F)
Round Straight Air Filter Flange Dia. (F): 1.688'' (43 mm) Outside Dia. (D): 3.5'' (89 mm) Length (L): 2'' (51 mm) Top Style: Metal Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$54.99
Estimated to ship direct from manufacturer on 09/30/22, pending manufacturer availability.
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Round Straight Air Filter Flange Dia. (F): 1.688'' (43 mm) Outside Dia. (D): 3'' (76 mm) Length (L): 3'' (76 mm) Top Style: Metal Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$49.99
Estimated to ship direct from manufacturer on 09/30/22, pending manufacturer availability.
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Round Straight Air Filter Flange Dia. (F): 1.688'' (43 mm) Outside Dia. (D): 3'' (76 mm) Length (L): 2.5'' (64 mm) Top Style: Metal Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$179.99
Estimated to ship direct from manufacturer on 09/30/22, pending manufacturer availability.
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Round Straight Air Filter Flange Dia. (F): 1.688'' (43 mm) Outside Dia. (D): 3'' (76 mm) Length (L): 4'' (102 mm) Top Style: Rubber Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$74.99
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Round Straight Air Filter Flange Dia. (F): 1.688'' (43 mm) Outside Dia. (D): 3'' (76 mm) Length (L): 5'' (127 mm) Top Style: Rubber Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$49.99
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Round Straight Air Filter Flange Dia. (F): 1.688'' (43 mm) Outside Dia. (D): 4'' (102 mm) Length (L): 2'' (51 mm) Top Style: Rubber Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$44.99
Estimated to ship direct from manufacturer on 09/30/22, pending manufacturer availability.
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Round Straight Air Filter Flange Dia. (F): 1.688'' (43 mm) Outside Dia. (D): 5.25'' (133 mm) Length (L): 2'' (51 mm) Top Style: Rubber Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0.75'' (19 mm)
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$47.99
Estimated to ship direct from manufacturer on 09/30/22, pending manufacturer availability.
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Round Straight Air Filter Flange Dia. (F): 1.688'' (43 mm) Outside Dia. (D): 3'' (76 mm) Length (L): 2.5'' (64 mm) Top Style: Rubber Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$54.99
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Round Straight Air Filter Flange Dia. (F): 1.688'' (43 mm) Outside Dia. (D): 3.5'' (89 mm) Length (L): 10'' (254 mm) Top Style: Rubber Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$68.99
Estimated to ship direct from manufacturer on 09/30/22, pending manufacturer availability.
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1.75'' (44 mm) Flange Dia. (F)
Round Straight Air Filter Flange Dia. (F): 1.75'' (44 mm) Outside Dia. (D): 3.5'' (89 mm) Length (L): 6'' (152 mm) Top Style: Rubber Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''
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$46.99
Estimated to ship direct from manufacturer on 09/30/22, pending manufacturer availability.
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