Description
The K&N Engineering RU-5111 universal rubber air filter is designed to provide reliable air filtration across a broad range of equipment, including racing vehicles, generators, snowmobiles, tractors, and radio-controlled cars. Crafted with durable, high-quality materials, this filter features rugged construction that ensures long-lasting performance even under demanding conditions. Its flexible molded rubber flange absorbs vibrations and allows for a secure fit, accommodating slight variations in size with stretchability up to 1/16 inch (1.5mm). This adaptability makes it suitable for many applications where the air intake angle or offset diameter varies. The filter’s washable and reusable design offers a cost-effective solution that maintains optimal airflow and filtration efficiency over time. The RU-5111 model is engineered for durability and ease of installation, making it a versatile choice for various machinery requiring a dependable air filtration component. Please note that this filter is not CARB approved and requires acknowledgment of carb compliance, which is essential for specific regulatory or environmental standards. Its robust construction and universal fit make it an excellent upgrade for improving airflow and engine performance in a range of vehicles and equipment.
Features:
- Universal fit: Suitable for a wide range of vehicles and equipment with varying air intake angles and sizes
- Flexible rubber flange: Absorbs vibrations and allows for secure attachment, with stretchability for slightly different diameters
- Washable and reusable: Designed for long-term use to maintain optimal airflow and filtration efficiency
- Durable construction: Made with premium materials to withstand tough conditions and ensure longevity
- Easy installation: Features a molded flange for secure fitment across multiple applications






















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