Description

The K&N Filters Universal Clamp-On Air Filter – 3.93″ ID – Oval Tapered – Red (KNNRU-70031) is designed to improve engine airflow and increase performance. Its clamp-on design has a 3.93-inch inner diameter, making it ideal for custom air intake systems. The tapered oval shape allows for space-saving installation in tight engine bays. Built with K&N’s washable and reusable cotton gauze filter media, it provides a durable solution for drivers who want better filtration and long-term value. This universal air filter supports many applications and is perfect for enthusiasts upgrading their intake setup.

Features and Specifications:

Inner Diameter: 3.93 in (100 mm)
Filter Shape: Oval Tapered
Installation Type: Clamp-On
Engineered Performance: Advanced filter media enhances horsepower, acceleration, and efficiency.
Multi-Layer Protection: Four layers of premium cotton gauze with tack agent trap harmful contaminants.
Durable Build: Constructed with high-quality materials and cutting-edge methods for long-lasting use.
Low Maintenance: Requires cleaning only every 75,000 miles under normal highway conditions.
Simple Installation: Pre-oiled and ready to install for quick performance improvements.
Versatile Fit: Universal design suits a wide range of vehicles and applications.
Eco-Friendly: Reusable design helps reduce landfill waste from disposable filters.
Warranty Included: Backed by a 1-Year Limited Warranty for added peace of mind.