K&N Universal Air Filter 4-inch Flange for Automotive and Recreational Vehicles

Description

The K&N Universal Air Filter Part Number RU-4550 is designed to deliver reliable airflow performance for a wide range of applications, including cars, trucks, motorcycles, snowmobiles, and even radio-controlled vehicles. Its versatile design ensures compatibility with various air intake setups, regardless of angle or offset diameter, making it a flexible choice for many projects. The filter features a durable, high-quality construction with ultra-strong molded pliable rubber flanges that absorb vibration and allow for secure attachment. These flanges can be stretched up to 1/16 inch (1.5mm), providing additional flexibility for fitment in tight or irregular spaces. This reusable air filter is washable and designed for long-term use, reducing the need for frequent replacements and providing consistent performance over time. The filter’s dimensions accommodate a 4-inch flange with a 5-3/8 inch base diameter and a 4-1/2 inch top diameter, with a height of approximately 6 inches, making it suitable for a variety of vehicle and equipment configurations. K&N offers a one-year limited warranty on this product, ensuring quality and customer satisfaction. Please note that this filter is not CARB approved, but it complies with Prop 65 requirements for safety and environmental standards. The RU-4550 model is an excellent choice for enthusiasts seeking a durable, high-performance air filter that supports optimal engine airflow and longevity, whether for daily driving, racing, or recreational use. Its universal fit and washable design make it a cost-effective and eco-friendly solution for maintaining engine health and efficiency.

Features:

• Universal fit design suitable for a wide range of vehicles and equipment

• Constructed with durable molded pliable rubber flanges for vibration absorption and secure attachment

• Flanges can be stretched up to 1/16 inch (1.5mm) for flexible fitment

• Washable and reusable for long-term use and cost savings

• Dimensions accommodate a 4-inch flange, 5-3/8 inch base diameter, 4-1/2 inch top diameter, and approximately 6 inches in height

• Backed by a one-year limited warranty for quality assurance

• Not CARB approved, but compliant with Prop 65 safety standards

Fitment:
BMW 525i Base 2001
BMW 525i Base 2002
Honda Civic CX 1999
Honda Civic CX 2000
Honda Civic DX 1999
Honda Civic DX 2000
Honda Civic EX 1999
Honda Civic EX 2000
Honda Civic GX 1999
Honda Civic GX 2000
Honda Civic HX 1999
Honda Civic HX 2000
Honda Civic LX 1999
Honda Civic LX 2000
Honda Civic Si 1999
Honda Civic Si 2000
Honda Civic Value Package 1999
Mazda MX-5 Miata Grand Touring 2009
Mazda MX-5 Miata Sport 2009
Mazda MX-5 Miata SV 2009
Mazda MX-5 Miata Touring 2009
Mini Cooper S 2002
Volkswagen Golf GTI VR6 2004