We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
2021 Ford Mustang Mach 1 5.0L V8 Gas Air Filter
- ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
- RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
- 4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
- CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
- REUSABLE K&N FILTER SAVES YOU MONEY: A K&N washable, reusable air filter will save you up to $125 vs. purchasing multiple disposable filters (compared to MSRP in USD of corresponding OE filters for 200,000 miles of highway driving)
- ULTIMATE LONGEVITY: No-hassle lifetime limited warranty on stock replacement K&N air filters- limitations apply
- EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
- REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
| Package Contents | 1 Air Filter |
| Air Filter Material | Cotton Gauze |
| Package Quantity | 1 |
| Washable | Yes |
| Flange Type | Centered |
| Flange Inside Diameter | 5.594 in (142 mm) |
| Air Filter Shape | Round Tapered |
| Top Material | None |
| Top Style | Rubber |
| Top Outside Diameter | 5.313 in (135 mm) |
| Height | 7.938 in (202 mm) |
| Flange Length | 1 in (25 mm) |
| Flanges | 1 |
| Base Outside Diameter | 7.25 in (184 mm) |
| Warranty | No-Hassle Lifetime Limited |
| Air Filter Color | Red |
| Product Style | Round Tapered Universal Air Filter |
| Filter Material | Cotton Gauze |
| Outside Diameter | 7.25 in (184 mm) |
| Inside Diameter | 5.594 in (142 mm) |
| Weight | 2.2 lb (1 kg) |
| Filter Re-Oiling Amount | 2.41 oz (71 ml) |
| Product Box Height | 10.75 in (273 mm) |
| Product Box Length | 10.38 in (264 mm) |
| Product Box Width | 10.38 in (264 mm) |
| Filter Line | High-Flow |
| Inner Wire | No |
| Overall Filter Efficiency | Up To 99% Efficiency |
Easy Moderate Advanced
Screwdriver
5-10 Minutes
Installation PDF
Air Filter Test Data
- Built for the long haul, this lifetime filter can be reused for the entire life of your vehicle. Maintenance recommends cleaning every 50,000 miles, more often in dusty or harsh driving conditions.
- AIRAID’s premium oiled drop-in filters are engineered for long-lasting performance and easy maintenance.
- Simply clean with an AIRAID Cleaning Kit, allow the filter to dry, and then reapply the included filter oil for optimal protection and airflow. Your filter will be ready to deliver peak performance in minutes.
- Engineered to increase airflow and optimize engine breathing, AIRAID filters help improve overall performance and deliver smoother acceleration.
- AIRAID drop-in filters are designed to fit directly into your factory airbox. No modifications needed, just drop it in and hit the road.
| Air Filter Shape | Panel |
| Air Filter Material | Cotton Gauze & Non-woven Synthetic |
| Height | 2.281 in (58 mm) |
| Outside Length | 11.344 in (288 mm) |
| Outside Width | 10.375 in (264 mm) |
| Package Quantity | 1 |
| Warranty | No-Hassle Lifetime Limited |
| Package Contents | 1 Air Filter |
| Washable | Yes |
| Product Style | AIRAID Panel Filter |
| Weight | 2.1 lb (1 kg) |
| Filter Re-Oiling Amount | 1.32 oz (39 ml) |
| Product Box Height | 15.56 in (395 mm) |
| Product Box Length | 11.31 in (287 mm) |
| Product Box Width | 2.75 in (70 mm) |
Easy Moderate Advanced
Screwdriver
5-10 Minutes
- Engineered to boost horsepower and sharpen throttle response, giving your vehicle stronger, more immediate performance.
- Built with AEM’s washable, reusable Dryflow technology, designed to last for the entire life of your vehicle without ever needing oil.
- Delivers exceptional performance even in harsh, dusty racing environments, maintaining airflow and protection under pressure.
- Proudly manufactured in the USA with high-quality materials and precision standards.
- Will NOT void your vehicle’s warranty, performance you can install with total confidence.
| Air Filter Shape | Panel |
| Air Filter Material | Non-woven Synthetic |
| Height | 2.281 in (58 mm) |
| Outside Length | 11.344 in (288 mm) |
| Outside Width | 10.375 in (264 mm) |
| Package Quantity | 1 |
| Package Contents | 1 Air Filter |
| Washable | Yes |
| Warranty | Limited Lifetime |
| Product Style | AEM Dryflow Panel Air Filter |
| Filter Material | Non-woven Synthetic |
| Weight | 1.9 lb (0.9 kg) |
| Product Box Height | 11.7 in (297 mm) |
| Product Box Length | 10.4 in (264 mm) |
| Product Box Width | 2.6 in (66 mm) |
Easy Moderate Advanced
Screwdriver
5-10 Minutes
Installation PDF
Installation Instruction Sheet