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Instruction Sheets for Part Number KNN-RX-3800
K&N Universal Performance Air Filters
Air Filter Element, X-Stream, Round Taper, Clamp-On, Cotton Gauze, Oiled, Red, 4.50 in. OD, 2.44 in. ID, 6.13 in. Tall, Filtered Cap, Each
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Estimated Ship Date: Nov 9, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
RX-3800
Part Type:
Product Line:
Summit Racing Part Number:
KNN-RX-3800
UPC:
024844038357
Air Filter Type:
Oiled
Air Filter Style:
Conical flanged
Inlet Flange Inside Diameter (in.):
2.44
Air Filter Length (in.):
6.13
Air Filter Top Measurement:
4.000 in. diameter
Air Filter Bottom Measurement:
4.500 in. diameter
Filter Material:
Cotton gauze
Filter Color:
Red
Quantity:
Sold individually.
Notes:
With x-stream top.
K&N Universal Performance Air Filters
K&N's universal performance air filters are designed and manufactured for a wide variety of applications, including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and more. Many hundreds of models are are available, so regardless of the angle or offset diameter of your air intake, there is likely a K&N universal air filter for your equipment. All filters are constructed with ultra-strong, molded, pliable rubber flanges, which absorb vibration, allow for secure attachment, and can be stretched for up to 1/16 in. (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable. Order the style and size that best suits your needs.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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