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Unleash K&n Rx-4750 Universal X-stream Clamp-on Air Filter With A 75% Price Cut [VlRf48Kp]

$29.99 $95.99 -69%

K&N XStream Top Universal Air Filters take performance to the next level with the addition of a filter within the filter's top adding more filter area for higher air flow and a longer service interval. The XStream Air Filter provides awesome air

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Unleash K&n Rx-4750 Universal X-stream Clamp-on Air Filter With A 75% Price Cut [VlRf48Kp]

K&N XStream Top Universal Air Filters take performance to the next level with the addition of a filter within the filter's top adding more filter area for higher air flow and a longer service interval. The XStream Air Filter provides awesome air flow and outstanding filtration. When racing, in any environment, racers need all the protection and airflow they can get. K&N delivers. All K&N universal air filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 inch (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable.
Resources
Installation Instructions
Resources
Installation Instructions

Specifications:

Air Filter Material Cotton Gauze
Air Filter Shape Oval Straight
Base Outside Length 8 in (203 mm)
Base Outside Width 6 in (152 mm)
Description_DEF Air Filter
Description_DES Universal X-Stream Clamp-On Air Filter
Description_EXT K&N XStream Top Universal Air Filters take performance to the next level with the addition of a filter within the filter's top adding more filter area for higher air flow and a longer service interval.
Description_INV Universal X-Stream Clamp-On Air Filter
Description_MKT K&N XStream Top Universal Air Filters take performance to the next level with the addition of a filter within the filter's top adding more filter area for higher air flow and a longer service interval. The XStream Air Filter provides awesome air flow and outstanding filtration. When racing, in any environment, racers need all the protection and airflow they can get. K&N delivers. All K&N universal air filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 inch (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable.
Description_SHO Clamp-on Air Filter
Filter Re-Oiling Amount 1.17 oz (34 ml)
Flange Angle 0 degrees
Flange Inside Diameter 3 in (76 mm)
Flange Length 1.875 in (48 mm)
Flange Offset 0 in (0 mm)
Flange Type Centered
Flanges 1
Footnote 1 Base Has 7/16" Vent
Frame Design Flexible
height 6.5 in (165 mm)
height 7.75
Item Type High Performance
length 9.375
LTL N
Oil Included Yes
Package Contents 1 Air Filter
Package Material Paperboard
Package Quantity 1
Package Type Box
Pre-Screened No
Product Style Oval Tapered Universal Air Filter
Prop 65 (C, R or CR) CR
Prop 65 - Short Label WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
Prop 65 Warning Label https://www.knfilters.com/images/l/prop65.jpg
Prop 65 Yes/No Yes
Title K&N RX-4750 Universal X-Stream Clamp-On Air Filter
Top Material None
Top Outside Length 5 in (127 mm)
Top Outside Width 5 in (127 mm)
Top Style X-Stream
Warranty 1 Year Limited
Washable Yes
weight 1.4 lb (0.7 kg)
weight 1.45
width 9.375

What Our Customers Say

January 23, 2026

Absolutely no complaints!

A first-class item that feels very, very durable.

- Catherine K..

January 23, 2026

Absolutely no complaints!

This is a very good and a very useful tool.

- Kristin E..

January 23, 2026

Absolutely no complaints!

This is a very good and a very solid item.

- Jenna O..

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