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SKU: 21-90023 | UPC: 802959210284
aFe Power MagnumFLOW Pro DRY S Air Filter 4" Flange x 8" Base x 5-1/2" Top x 7" Height (Universal Fit)
The aFe Power 21-90023 MagnumFLOW Pro DRY S air filter is a conical replacement filter built for universal clamp-on applications with 4-inch center flanges. It boosts engine airflow through oil-free synthetic media while holding 99.2% filtration efficiency to protect your motor. Tall pleats and durable polyurethane construction allow repeated washings for long service life and reliable sealing on most performance intake systems.
Key Features
- Dimensions: 4-inch flange inside diameter, 8-inch base, 5-1/2-inch top diameter, 7-inch height fits standard conical intake tubes for direct replacement
- Pro DRY S Media: Three layers of progressively finer non-woven synthetic mesh traps dust effectively without oil while allowing high airflow
- Filtration Efficiency: 99.2% rating captures fine particles for engine protection paired with open pleats for extended intervals between cleanings
- Polyurethane Build: 100% polyurethane frame on all sides with pliable flange and integrated bumps creates airtight seal that lasts
- Maintenance Design: Fully washable and reusable cleans easily with soap and water for multiple cycles and no mess
Product Notes
- Wash filter before first use and clean every 30,000-50,000 miles based on driving conditions
- Oil-free media eliminates tuning issues and simplifies servicing
- Packaged in protective box for damage-free delivery
Installation Notes
- Professional installation recommended.
- Clamp-on style slides onto 4-inch diameter intake tubes with rubber clamp
- Compatible with aFe Magnum FORCE intake systems and similar aftermarket setups
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | All | 4-inch Center Flange Conical Intakes |
| 2003-2009 | Dodge | Ram 2500 | 5.9L Cummins (PDS Kits) |
| 2003-2009 | Dodge | Ram 3500 | 5.9L Cummins (PDS Kits) |
| 1999-2003 | Ford | F-250 Super Duty | 7.3L Power Stroke (PDS Kits) |
| 1999-2003 | Ford | F-350 Super Duty | 7.3L Power Stroke (PDS Kits) |
| 2005-2014 | Chevrolet | Silverado 2500HD | 6.0L/6.6L Duramax (PDS Kits) |
Why Choose aFe Power?
- Backed by dyno testing to confirm airflow and power increases across applications
- High-quality materials resist cracking and ensure consistent performance
- Precision engineering matches OEM flange specs for leak-free operation
Frequently Asked Questions
-
Q: Will this filter fit my specific intake system?
A: Yes for 4-inch inside diameter center flange tubes in conical shape. Verify tube size on your aFe or compatible intake kit. -
Q: What material is used in the filter media?
A: Non-woven synthetic with three progressive layers between polyurethane top and base for dry no-oil operation and easy cleaning. -
Q: What warranty covers this air filter?
A: aFe Power provides a No-Hassle Lifetime Limited Warranty on air filters when cleaned and oiled per instructions.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Cardboard box 9.5 x 9 x 8 inches
- Weight: 1.95 lbs
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