aFe
aFe Magnum FLOW Pro Dry S Replacement Air Filter 4.5in. F x 7in. B x 4.5in. T x 7in. H - 21-91045
- SKU:
- AFE21-91045
- UPC:
- 802959212400
- MPN:
- 21-91045
- Availability:
- Regularly stocked product
Description
What is the primary advantage of a Pro DRY S filter over a traditional oiled filter?
The AFE Universal Pro Dry S filter offers superior filtration without oil, preventing potential sensor contamination for consistent engine protection and performance.
How does the Pro DRY S filter contribute to engine performance?
This oil-free conical performance filter maximizes airflow, delivering a noticeable boost in horsepower and throttle response for peak engine performance.
The aFe Universal Pro Dry S filter achieves 99.2% filter efficiency, maximizing airflow for peak engine performance across street and track applications. Constructed with three layers of synthetic media and 100% polyurethane end caps, it delivers a durable, leak-free seal. Experience superior filtration and a tangible performance upgrade with this washable, reusable Air Filter - Universal Fit.
Key Features
- three layers of progressively finer mesh synthetic media
- 100% polyurethane top and base
- oil-free conical performance filter
- Washable and reusable for multiple cleanings
- tall open evenly spaced pleats
- 99.2% filter efficiency
Why Choose the AFE Universal Pro Dry S Filter
Delivers maximum airflow for a noticeable boost in horsepower and throttle response.
Provides a durable, leak-free seal for consistent engine protection and performance.
Achieves superior filtration, safeguarding your engine from harmful contaminants.
Saves you money and reduces waste with its long-lasting, reusable design.
Who Is This For?
Street Performance — 9/10
Maximizes airflow for peak engine performance.
Engine Performance — 9/10
Maximizes airflow for peak engine performance.
Track / Autocross — 8/10
High filter efficiency and maximized airflow.
Racing Competition — 8/10
High filter efficiency and maximized airflow.
Easy DIY Install — 7/10
Universal fit and oil-free design.
Fuel Efficiency — 6/10
Optimized airflow may improve fuel efficiency.
Additional Resources
Important Notices
⚠️ CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.
⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Browse More: Shop All Air Filters - Universal Fit — Air Filters
Additional Information
CARB: |
This product is not CARB Legal and not for sale in California |
Clearance Item: |
N |
MPN: |
21-91045 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Air Filters>Air Filters - Universal Fit |
Universal Fitment: |
Y |
Install Type: |
Universal Fit |
Product Level: |
Premium Performance |
Street Performance: |
9/10 |
Engine Performance: |
9/10 |
Track / Autocross: |
8/10 |
Racing Competition: |
8/10 |
Easy DIY Install: |
7/10 |
Fuel Efficiency: |
6/10 |