K&N High-Flow Engine Air Filter for 2024–2025 Mazda CX-70/CX-90 — Washable, Reusable, Pre-Oiled (33-5140)

The K&N High-Flow Original Lifetime Engine Air Filter (33-5140) is a washable, reusable stock-replacement designed to increase airflow and support improved engine performance for 2024–2025 Mazda CX-70 and CX-90 models.

Built from multiple layers of premium cotton gauze and assembled with rugged materials, this K&N air filter replaces disposable paper elements and is engineered to last the life of your vehicle. It fits directly into the factory air box for a quick, tool-light swap that can be completed in minutes, and it carries K&N’s limited 10-year/million-mile warranty. Because the filter is washable and reusable, it also reduces landfill waste compared with single-use filters.

How does this filter improve vehicle performance?

By optimizing airflow to the engine, the K&N High-Flow filter helps the intake breathe more freely under normal driving and spirited use. Increased airflow can support better throttle response and may help the engine make peak power more efficiently without changing factory tuning.

• Multi-layer cotton gauze media for high airflow
• Engineered to increase horsepower and acceleration potential
• Tested across demanding track and street conditions

What maintenance is required and how long does it last?

This K&N element is pre-oiled and ready to install; under average highway driving it typically requires cleaning about every 75,000 miles. When cleaned and re-oiled following K&N guidelines, the filter is reusable and designed for long-term service, reducing the number of replacement filters you buy.

• Clean roughly every 75,000 miles under normal driving
• Wash, dry, and re-oil per K&N care instructions
• Designed to outlast many disposable filters—economical and eco-friendly

Is installation simple and will it fit my Mazda CX-70/CX-90?

The 33-5140 is made to be a direct fit for 2024–2025 Mazda CX-70 and CX-90 factory air boxes. Installation is straightforward: remove the old paper element, drop in the K&N unit, and secure the air-box lid—typically a few minutes of work with basic tools, if any.

• Direct replacement for factory air box—no cutting or modification
• Pre-oiled and ready to install right out of the box
• One of the simplest performance upgrades available

Why choose a washable K&N filter over a disposable one?

Washable, reusable filtration lowers recurring parts expense and reduces waste from single-use paper filters. K&N’s construction emphasizes durable materials and build quality so you get longevity without sacrificing filtration performance.

• Reusable design reduces landfill waste and long-term costs
• Durable construction backed by a limited warranty
• Made in the USA for consistent quality control

Who is this for: Drivers of 2024–2025 Mazda CX-70 or CX-90 who want a simple, long-lasting replacement that supports improved airflow and lower lifetime filter costs. It’s ideal for owners who prefer a low-maintenance, eco-friendlier alternative to disposable filters and want a ready-to-install upgrade developed with motorsport-tested engineering.