K&N® washable, reusable High-Flow Air Filters™ feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower.
Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10-Year/Million Mile Limited Warranty.
K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!

Specifications:
- Air Filter Shape: Panel
- Filter Material: Cotton Gauze
- Washable: Yes
- Height: 24 mm
- Outside Length: 514 mm
- Outside Width: 157 mm
- Package Contents: 1 Air Filter, 1 K&N 1oz Sealing Grease
- Package Quantity: 1
- Warranty: 1,000,000 Miles/10 Year
- Product Style: Panel Air Filter
- Top Style: Open
- Weight: 0.7 kg
- Filter Re-Oiling Amount: 56 ml
- Product Box Height: 70 mm
- Product Box Length: 568 mm
- Product Box Width: 187 mm
- Inner Wire: No
Vehicle applications:
| Make | Model | Engine | Year | Specific |
|---|---|---|---|---|
| Porsche | 928 | 4.4L V8 Gas | 1977-1982 | |
| Porsche | 928 | 4.5L V8 Gas | 1978-1982 | |
| Porsche | 928 | 4.6L V8 Gas | 1979-1986 | |
| Porsche | 928 | 4.7L V8 Gas | 1983-1985 | |
| Porsche | 928 | 4.9L V8 Gas | 1985-1994 | |
| Porsche | 928 | 5.0L V8 Gas | 1985-1991 | |
| Porsche | 928 | 5.4L V8 Gas | 1991-1995 |
Cross references:
- AC Delco A1325C
- Champ Labs. AF397
- Fram CA6581
- Luber-Finer AF397
- Mahle LX311
- Mann-Hummel C5283
- Mobil AF397
- Napa 6185
- Porsche 92811018501
- Purolator A25208
- Simota OPO001
- WIX 46185
Vehicle Compatibility
| Brand | Model | Generation / Chassis | Engine |
|---|---|---|---|
| Porsche | 928 | - | 4.4L V8, 4.5L V8, 4.6L V8, 4.7L V8, 4.9L V8, 5.0L V8, 5.4L V8 |
K&N
K&N High-Performance Air Filters: Unleash Your Engine's Potential
Elevate your driving experience with K&N High-Performance Air Filters, designed specifically for car enthusiasts who demand the best from their vehicles. These premium air filters enhance airflow, improve engine performance, and provide superior filtration, ensuring your engine runs at its peak efficiency.
Key Features and Benefits:
- Increased Horsepower: K&N air filters are engineered to provide a significant boost in horsepower, allowing your vehicle to perform at its best.
- Superior Filtration: Our filters capture harmful contaminants while allowing maximum airflow, protecting your engine from dirt and debris.
- Reusable and Washable: Save money and reduce waste with K&N's long-lasting filters that can be easily cleaned and reused for up to 10 years or 1 million miles.
- Easy Installation: Designed to fit seamlessly into your vehicle's factory air box, installation is quick and hassle-free, requiring no modifications.
- Enhanced Engine Sound: Experience a more aggressive engine sound that enhances your driving pleasure without compromising performance.
Upgrade to K&N High-Performance Air Filters today and experience the difference in your vehicle's performance. Don't settle for less when it comes to your car's engine health. Join the ranks of satisfied car enthusiasts who trust K&N for quality and reliability. Order now and unleash your engine's true potential!
K&N 33-2591 High-Performance Panel Air Filter for Enhanced Flow
100.85€
Excl. VAT: 83.35€
EU Shipping — No Import Taxes
Tags: K&N,
| Brand | Model | Generation | Engine |
|---|---|---|---|
| Porsche | 928 | - | 4.4L V8, 4.5L V8, 4.6L V8, 4.7L V8, 4.9L V8, 5.0L V8, 5.4L V8 |

