K&N 33-5146 Air Filter for 2024-2026 Ford Mustang EcoBoost/25-26 Explorer 2.3L

Vehicle Fitment

• 2024-2026 Ford Mustang EcoBoost (EcoBoost, EcoBoost Premium, 2.3L L4 EcoBoost Turbo, RWD)
• 2025-2026 Ford Explorer (Base, XLT, ST-Line, Limited, Platinum, 2.3L L4 EcoBoost Turbo, RWD/AWD)

Fitment Notes

• Fits the 2.3L L4 EcoBoost Turbo engine only. Does not fit the Mustang GT equipped with the 5.0L V8 (see K&N E-0630).
• Does not fit the Ford Explorer ST or other Explorer trims equipped with the 3.0L V6 EcoBoost (see K&N 33-2395).
• Mustang EcoBoost is RWD only. Explorer is available in RWD and AWD - this filter fits both drivetrains.
• This filter is specific to the S650 (7th-generation) Mustang (2024+) and the redesigned Explorer (2025+). The previous S550 Mustang EcoBoost (2015-2023) uses a different filter.

Features

• Multi-layer oiled cotton gauze media for high airflow and superior contaminant capture
• Drop-in replacement - installs directly into the factory airbox with no modifications
• Washable and reusable - engineered to last the full lifetime of the vehicle
• Up to 99% filtration efficiency to protect the engine without restricting airflow
• Pre-oiled at the factory and ready to install out of the box
• Designed to improve horsepower and throttle response over the OEM paper filter
• Cleaning interval of up to 75,000 miles under normal highway driving conditions
• Backed by K&N's No-Hassle Lifetime Limited Warranty

Specifications

• Filter Style: Panel (Drop-In Replacement)
• Filter Material: Oiled Cotton Gauze
• Filter Color: Red
• Outside Length: 14.375 in (365 mm)
• Warranty: No-Hassle Lifetime Limited

Included Components

• 1x K&N 33-5146 High-Flow Panel Air Filter

Product Description

The K&N 33-5146 is a direct-fit high-flow replacement air filter for the 2024-2026 Ford Mustang EcoBoost (S650) and 2025-2026 Ford Explorer equipped with the 2.3L EcoBoost Turbocharged four-cylinder engine. Both platforms use the same airbox configuration, allowing this single filter to serve both the Mustang and the redesigned Explorer. It replaces the factory paper element with a washable, reusable oiled cotton gauze filter that improves airflow while maintaining up to 99% filtration efficiency.

The drop-in design requires no modifications and installs directly into the OEM airbox in minutes. With a 75,000-mile cleaning interval and K&N's Lifetime Limited Warranty, the 33-5146 is a proven long-term upgrade for EcoBoost Mustang enthusiasts and Explorer owners across all 2.3L configurations.