K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All 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 of an inch (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable. When used as a replacement for the OEM air filter, modifications to the jetting may be required.
Regardless of the angle or offset diameter of an air intake, there is probably a K&N Universal air filter for your equipment. K&N universal air filters are washable and reusable.
NO-HASSLE WARRANTY: 1-Year Limited Warranty
One Year Limited Warranty
The K&N Universal Rubber Air Filter Model RU-1780 is designed to provide reliable air filtration for a wide range of applications, including off-road vehicles, racing engines, snowmobiles, and other equipment. Constructed with a durable, molded pliable rubber flange, this filter effectively absorbs vibrations and allows for a secure fit even when installed at various angles or offsets. Its flexible flange can stretch up to 1/16 inch (1.5mm), accommodating slightly different sizes and ensuring compatibility across a variety of air intake configurations. This versatility makes it an ideal replacement for OEM filters, especially in custom or modified setups, although some jetting adjustments might be necessary to optimize performance. The filter's washable and reusable design ensures long-term value, allowing users to clean and reuse it multiple times without loss of filtration efficiency. Please note that this filter is not CARB approved and requires acknowledgment of CARB regulations before installation. The product is backed by a one-year limited warranty, providing peace of mind for users seeking durable and dependable air filtration. Whether you're restoring a classic Honda ATC250R or customizing your racing vehicle, the K&N RU-1780 offers a high-quality solution for effective air intake management and enhanced engine performance.
Features:
Universal fit for various applications including racing, off-road, and recreational vehicles
Constructed with durable molded pliable rubber flange for vibration absorption and secure attachment
Flexible flange stretches up to 1/16 inch (1.5mm) for accommodating different sizes and angles
Washable and reusable design for long-term use and cost savings
Compatible with 1981-1982 Honda ATC250R models with round straight air intake openings
Not CARB approved, requires CARB acknowledgment prior to installation
Backed by a one-year limited warranty for reliability and customer assurance
Fitment:
1981 Honda ATC250R Base
1982 Honda ATC250R Base
Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1
Product Details
Vehicle Fitment
Features
FAQ
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