


K&N Universal Air Filter Chrome Round Tapered Blue - 4in Flange ID x 1.125in Flange Length x 5.5in H
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
K&N Universal Air Filter Chrome Round Tapered Blue - 4in Flange ID x 1.125in Flange Length x 5.5in HSKU: RG 1001BL UPC: 024844313324 K&N Universal Air Filter Chrome Round Tapered Blue 4in Flange ID x 1. 125in Flange Length x 5. 5in H K&N RG 1001BL delivers high flow filtration for racing vehicles radio controlled cars generators snowmobiles tractors and custom intakes. Clamp on design fits 4 inch ID tubes with stretchable rubber flanges up to 1 16 inch for precise secure mounting. Pre oiled cotton gauze media increases horsepower acceleration and
Quick Dispatch:
Your K&N Universal Air Filter Chrome Round Tapered Blue - 4in Flange ID x 1.125in Flange Length x 5.5in H orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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You'll receive a tracking link by email once your K&N Universal Air Filter Chrome Round Tapered Blue - 4in Flange ID x 1.125in Flange Length x 5.5in H ships.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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★★★★★ 5
Its ok but falls out
Works good but not connected to the unit so it falls out
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Reviewed in the United States on April 16, 2026
★★★★★ 5
Excelente
Excelente
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Reviewed in the United States on May 31, 2026
★★★★★ 4
Functions. No trigger,need relay for car install
Functions,but will not turn off. No remote wire,just positive & negative. Need relay to install correctly to use on-board fuse. Or connect to remote only to view voltage use. No instructions.
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Reviewed in the United States on September 29, 2025
★★★★★ 5
Good quality
Good quality
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Reviewed in the United States on December 14, 2025
★★★★★ 5
Se ve excelente
Se ve de buena calidad, aún no lo instaló pero si se aprecia muy bueno.
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