K&N RX-4140 X-Stream High-Flow Universal Clamp-On Air Filter – 3.53 Inch Flange Reusable Washable Performance Engine Intake Filter – Up to 99% Filtration

Product Description :

K&N RX-4140 X-Stream High-Flow Universal Clamp-On Air Filter

Boost your engine's performance with the K&N RX-4140 X-Stream High-Flow Universal Clamp-On Air Filter, engineered to deliver maximum airflow, increased horsepower, faster throttle response, and superior engine protection. Featuring K&N's exclusive X-Stream® pleated filter top, this premium air filter allows additional airflow through both the sides and top, making it an excellent choice for high-performance street vehicles, racing applications, custom air intake systems, trucks, SUVs, and off-road vehicles.

Constructed with premium multi-layer oiled cotton gauze filter media, the RX-4140 provides exceptional airflow while capturing harmful contaminants with up to 99% filtration efficiency. Its washable and reusable design offers long-term savings while reducing disposable filter waste.

Designed with a 3.531-inch (90 mm) centered flange, round straight profile, and convenient clamp-on installation, the RX-4140 is ideal for custom cold air intake systems requiring high airflow and dependable filtration.

Pre-oiled and ready to install, the K&N RX-4140 delivers long-lasting performance and easy maintenance for enthusiasts who demand reliability and power.

Key Features :

• Genuine K&N RX-4140 X-Stream High-Flow Universal Air Filter
• Exclusive X-Stream® pleated filter top for enhanced airflow
• Improves horsepower and acceleration
• Low air restriction for maximum engine performance
• Premium multi-layer oiled cotton gauze filter media
• Up to 99% filtration efficiency
• Washable and reusable lifetime air filter
• Clamp-on design for secure and easy installation
• Round straight universal air filter
• Fits 3.531-inch (90 mm) intake tubes
• Pre-oiled and ready to install
• Ideal for performance vehicles, trucks, SUVs, racing, and custom air intake systems

Product Features :

• X-Stream high-flow air filter
• Round straight air filter
• Universal clamp-on air filter
• 3.531-inch flange air filter
• 90mm performance air filter
• Washable reusable air filter
• High airflow intake filter
• Cold air intake replacement filter
• Performance engine intake filter
• Up to 99% filtration efficiency
• Racing air intake filter
• Off-road performance air filter
• High-performance cotton gauze filter
• Improved horsepower
• Enhanced throttle response
• Premium engine protection