K&N Engine Air Filter 33-5108 for 2020–2026 Hyundai & Kia — Washable, Increases Airflow and Performance

The K&N High-Flow Original Lifetime Engine Air Filter 33-5108 is a washable, reusable replacement air filter engineered to boost airflow and sustain improved engine performance for compatible 2020–2026 Hyundai and Kia models.

Upgrade your factory air filter with a durable, high-flow element designed to increase airflow up to 50% compared with many stock paper filters while reducing waste from disposable replacements. K&N filters are pre-oiled, ready to install, and built to be cleaned and reused instead of thrown away, delivering long-term value and consistent filtration for everyday driving and spirited use alike.

How will this filter affect my vehicle's power and throttle response?

Faster airflow through the engine’s intake can translate to improved horsepower and crisper throttle response under many driving conditions. K&N’s multilayer cotton gauze media is engineered to balance airflow and particle capture so you gain measurable flow without compromising filtration.

• Designed to increase airflow up to 50% over some stock filters.
• Four-layer cotton gauze construction traps contaminants while letting more air pass.
• Tested on race tracks for performance-oriented validation.

How often will I need to clean the K&N 33-5108 filter?

Under normal highway driving conditions, K&N recommends cleaning the filter approximately every 75,000 miles, which typically equates to about every five years for average drivers. Cleaning intervals vary by environment—dusty or off-road use will require more frequent attention.

• Standard guidance: clean about every 75,000 miles in normal conditions.
• Easier to maintain: washable and reusable versus disposable replacements.
• Cleaning kits are available and instructions are simple for DIY service.

Is installation complicated and will it fit my Hyundai or Kia?

The 33-5108 is a direct-fit replacement engineered for easy, drop-in installation in the factory air box of supported models. No special tools or modifications are required, making it one of the quickest performance upgrades you can perform at home.

• Direct-fit for select 2020–2026 Hyundai and Kia vehicles—no trimming needed.
• Pre-oiled and ready to install straight from the box.
• Installation typically takes only minutes following factory access to the air box.

What materials and warranty back this K&N filter?

Built with multiple layers of premium cotton gauze and a reinforced frame, the K&N High-Flow filter is designed for durability and long service life. K&N supports their filtration products with a limited 10-year/million-mile warranty for added confidence.

• Four-layer cotton gauze media treated for particle adhesion and longevity.
• Rugged construction intended to last the life of your vehicle.
• Backed by K&N’s limited 10-Year/Million-Mile warranty (limitations apply).

Who is this for: The K&N 33-5108 is ideal for Hyundai and Kia owners who want a durable, eco-friendlier alternative to disposable air filters and are seeking consistent airflow improvements without altering the factory airbox. It suits daily drivers, commuters, and enthusiasts driving compatible 2020–2026 Santa Cruz, Santa Fe, Sonata, Staria, Tucson, Carnival, K5, Sorento, Sedona, Sportage and similar models who prefer a long-lasting, washable filter that’s easy to install and maintain.