SKU: 21-91122 | UPC: 802959211946
aFe Power Momentum Intake Replacement Air Filter w/ Pro DRY S Media 3-1/2 IN F x 5 IN B x 4-1/2 IN T (Inverted)
This aFe Power replacement air filter uses ProDRY S media for a direct upgrade in Momentum intake systems. The inverted conical design measures 3-1/2 inch flange inside diameter, 5 inch base, 4-1/2 inch top, and 9 inch height to deliver high airflow and 99.2% filtration efficiency. Engineered for universal fit in compatible aFe Momentum intakes, it supports power gains with simple maintenance and long service intervals.
Key Features
- ProDRY S Media: Three layers of progressively finer non-woven synthetic mesh trap 99.2% of dust without oil for clean, consistent performance
- Dimensions: 3.5 inch center flange ID, 5 inch base diameter, 4.5 inch top diameter, 9 inch height with inverted conical shape for optimal airflow in tight engine bays
- Polyurethane Construction: 100% polyurethane frame on all sides and pliable flange with integrated bumps create a tight seal that lasts the filter’s life
- Washable Design: Reusable filter cleans easily with soap and water, supports multiple cleaning cycles, and features tall pleats for high dust capacity
- High Flow Engineering: Open evenly spaced pleats increase surface area for better throttle response and horsepower in performance applications
Product Notes
- Direct drop-in replacement for aFe Momentum intake systems using 3.5 inch flange
- Gray filter color, no pre-oiling required for immediate installation and use
- Packaged for protection during shipping with compact dimensions
Installation Notes
- Professional installation recommended.
- Pop-off old filter from Momentum intake housing and snap in new one for 5-minute install
- Compatible with all aFe Momentum intake hardware, no adapters needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | aFe Power | Momentum Intake Systems | 3.5″ Flange Inverted Conical |
| 2013-2017 | Ford | Focus ST | All |
| 2015-2021 | Subaru | WRX | All |
| 2015-2021 | Volkswagen | Golf GTI | All |
Why Choose aFe Power?
- Designed and manufactured in USA with dyno-tested airflow data
- Proven filtration and construction for reliable engine protection
- Precision pleat design and materials built for repeated high-performance use
Frequently Asked Questions
- Q: Does this filter fit my aFe Momentum intake?
A: Yes, it directly replaces filters in Momentum systems with 3.5 inch flange, 5 inch base, and 4.5 inch top inverted conical specs - Q: Is the filter material oiled?
A: No, ProDRY S uses dry synthetic media that arrives ready to install without oiling - Q: How often should I clean the filter?
A: Service every 30,000-50,000 miles depending on driving conditions, wash with mild soap and water, then air dry fully
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective cardboard box 10.2 x 7.9 x 7.9 inches
- Weight: 1.4 lbs
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