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.
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 Clamp-On Air Filter model RU-4180 is designed to provide versatile airflow solutions for a wide range of equipment, including racing vehicles, generators, snowmobiles, tractors, and RC cars. Crafted with durability and performance in mind, this air filter features a high-quality, washable, and reusable design that ensures long-term use and cost savings. Its universal fit and flexible rubber flange allow for secure attachment to various air intake configurations, accommodating angle or offset diameters with ease. The moldable rubber flange can stretch up to 1/16 inch (1.5mm), making installation straightforward even in tight or irregular spaces. This robust construction offers vibration absorption, minimizing noise and wear during operation. The K&N RU-4180 is engineered for reliable airflow, helping to optimize engine performance and efficiency across diverse applications. It is backed by a one-year limited warranty, reflecting K&N's commitment to quality and customer satisfaction. Please note that this filter is not CARB-approved and requires acknowledgment of this condition prior to purchase. Its compact size and universal design make it an excellent choice for enthusiasts and professionals seeking a durable, high-performance air filtration solution for multiple uses.
Features:
Universal fit for a variety of applications including racing, generators, snowmobiles, and RC cars
Constructed with high-strength, moldable rubber flange for secure attachment and vibration absorption
Stretchable flange allows for up to 1/16 inch (1.5mm) expansion to fit between sizes
Washable and reusable design for long-term use and cost efficiency
Compact dimensions suitable for tight spaces and diverse equipment configurations
Backed by a one-year limited warranty for quality assurance
Not CARB-approved, requires acknowledgment of this condition
Fitment:
2004 Nissan Altima SE
2004 Nissan Maxima SE
2004 Nissan Maxima SL
2005 Nissan Altima SE
2005 Nissan Altima SE-R
2005 Nissan Altima SL
2005 Nissan Maxima SE
2005 Nissan Maxima SL
2006 Nissan Altima SE
2006 Nissan Altima SE-R
2006 Nissan Altima SL
2006 Nissan Maxima SE
2006 Nissan Maxima SL
2007 Nissan Maxima SE
2007 Nissan Maxima SL
2008 Nissan Maxima SE
2008 Nissan Maxima SL
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: false
Units Per Sku: 1
Product Details
Vehicle Fitment
Features
FAQ
How quickly do orders process?
Most orders process within 1 business day.
Need help choosing parts?
Our performance team is available to help.
Do you offer secure checkout?
Yes. All transactions are securely processed through Shopify.
Choosing a selection results in a full page refresh.