aFe
aFe MagnumForce Stage 2 Si Cold Intake System w/PDS 03-07 Ford Diesel Trucks V8-6.0L - 51-81022-1
- SKU:
- AFE51-81022-1
- UPC:
- 802959514887
- MPN:
- 51-81022-1
- Availability:
- Regularly stocked product
Description
Will this intake fit my 2019 Ford F-250 6.7L Power Stroke?
Confirm fitment with your vehicle using our compatibility tool; this system is designed for specific Ford trucks.
Is installation difficult?
Professional installation is recommended to ensure optimal performance and proper fitment of this advanced cold air intake.
The aFe Magnum FORCE Stage-2Si Cold Air Intake delivers exceptional engine performance, achieving 99.2% filtration efficiency. Its one-piece sealed housing and patent-pending filter-to-housing interface ensure superior protection and a significant power boost. Experience enhanced throttle response and acceleration with this advanced cold air intake system.
Key Features
- one-piece sealed housing
- patent pending filter-to-housing interface
- heat soak resistant material
- diamond tread plate pattern
- CAD designed dyno-tuned roto-molded intake tube
- Mass Air Flow (MAF)-to-Temperature (Temp) sensor adaptor
- largest filter possible
- massive 6.75 x 4.75 elliptical flange
- 9 tall inverted top filter
- Pro DRY S washable/reusable high filtration conical air filter
- maximum filtration 99.2% efficient
Why Choose the AFE Magnum FORCE Stage-2Si Cold Air Intakes
Delivers cooler, denser air for a significant power boost.
Achieves optimal airflow for improved throttle response and acceleration.
Provides maximum filtration to protect your engine from contaminants.
Transforms your engine's sound for an aggressive, performance-driven tone.
Who Is This For?
Street Performance — 8/10
Dyno-tuned tube and large filter optimize airflow.
Engine Performance — 9/10
Optimized airflow and filtration enhance engine efficiency.
Heavy Towing — 7/10
Improved airflow can support engine under load.
Visual / Aesthetic Upgrade — 6/10
Diamond tread plate pattern offers a distinct look.
Fuel Efficiency — 6/10
Optimized airflow may contribute to better efficiency.
Racing Competition — 7/10
Performance gains from optimized airflow and filtration.
Frequently Asked Questions
How does the aFe Magnum FORCE Stage-2Si Cold Air Intake improve engine performance?
Delivering cooler, denser air unlocks significant power gains and optimizes airflow for improved throttle response. This system achieves an 8/8 score for Street Performance and a 9/9 for Engine Performance, thanks to its CAD-designed, dyno-tuned intake tube. Experience a transformed, performance-driven engine note with superior filtration.
Is installing the aFe Magnum FORCE Stage-2Si Cold Air Intake difficult?
Professional installation is recommended for the aFe Magnum FORCE Stage-2Si Cold Air Intake to ensure optimal setup and performance. This approach guarantees correct integration for maximum efficiency. Consult a qualified technician for a seamless and confident installation experience.
Will a cold air intake like the aFe Magnum FORCE Stage-2Si offer better engine protection than the stock system?
This cold air intake system provides maximum filtration, achieving 99.2% efficiency for superior engine protection against contaminants. Its one-piece sealed housing and patent-pending filter-to-housing interface ensure a secure seal. You gain exceptional protection and performance beyond OEM specifications.
What maintenance is required for the aFe Magnum FORCE Stage-2Si Cold Air Intake?
The aFe Magnum FORCE Stage-2Si Cold Air Intake is designed for easy maintenance, simplifying upkeep for owners. Its robust construction and high-flow filter contribute to a straightforward maintenance routine. Enjoy sustained performance with minimal effort thanks to this intelligently designed system.
Vehicle Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004–2005 | Ford | Excursion | Eddie Bauer |
| 2004–2005 | Ford | Excursion | Limited |
| 2004–2005 | Ford | Excursion | XLS |
| 2004–2005 | Ford | Excursion | XLT |
| 2004–2007 | Ford | F-250 Super Duty | Harley-Davidson Edition |
| 2004–2007 | Ford | F-250 Super Duty | King Ranch |
| 2004–2007 | Ford | F-250 Super Duty | Lariat |
| 2004–2007 | Ford | F-250 Super Duty | XL |
| 2004–2007 | Ford | F-250 Super Duty | XLT |
| 2004–2007 | Ford | F-350 Super Duty | Harley-Davidson Edition |
| 2004–2007 | Ford | F-350 Super Duty | King Ranch |
| 2004–2007 | Ford | F-350 Super Duty | Lariat |
| 2004–2007 | Ford | F-350 Super Duty | XL |
| 2004–2007 | Ford | F-350 Super Duty | XLT |
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 Cold Air Intakes — Air Intake Systems
Warranty Information
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2005 | Ford | Excursion | Eddie Bauer |
| 2004-2005 | Ford | Excursion | Limited |
| 2004-2005 | Ford | Excursion | XLS |
| 2004-2005 | Ford | Excursion | XLT |
| 2004-2007 | Ford | F-250 Super Duty | Harley-Davidson Edition |
| 2004-2007 | Ford | F-250 Super Duty | King Ranch |
| 2004-2007 | Ford | F-250 Super Duty | Lariat |
| 2004-2007 | Ford | F-250 Super Duty | XL |
| 2004-2007 | Ford | F-250 Super Duty | XLT |
| 2004-2007 | Ford | F-350 Super Duty | Harley-Davidson Edition |
| 2004-2007 | Ford | F-350 Super Duty | King Ranch |
| 2004-2007 | Ford | F-350 Super Duty | Lariat |
| 2004-2007 | Ford | F-350 Super Duty | XL |
| 2004-2007 | Ford | F-350 Super Duty | XLT |
Additional Information
CARB: |
This product is not CARB Legal and not for sale in California |
Clearance Item: |
N |
MPN: |
51-81022-1 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Air Intake Systems>Cold Air Intakes |