aFe
aFe Momentum ST Pro 5R Intake System 15-19 BMW X5M / X6M 4.4L TT (S63) - 50-40045R
- SKU:
- AFE50-40045R
- UPC:
- 802959508428
- MPN:
- 50-40045R
- Availability:
- Regularly stocked product
Description
What is the filter type for the aFe Momentum ST Cold Air Intake?
The aFe Momentum ST Cold Air Intake features an oil-free, large nine inch tall conical radial flow performance air filter with three layers of progressive synthetic media.
Is the aFe Momentum ST Cold Air Intake a direct bolt-on installation?
Yes, the aFe Momentum ST Cold Air Intake is a direct bolt-on upgrade that delivers a smoother, more powerful engine sound and improved throttle response.
aFe Momentum ST Cold Air Intakes are engineered for optimal Street Performance, boasting a CAD designed dyno-tuned intake tube and a massive nine inch tall radial flow air filter for maximum airflow. This sealed housing design ensures a cooler, denser air charge, resulting in a significant horsepower boost. Experience exhilarating acceleration and sustained power with this premium Cold Air Intake system.
What Owners Say
Enthusiasts consistently praise the aFe Momentum for its build quality, noting the well-designed airbox with a slightly larger intake opening than stock. Owners report noticeable throttle response improvements, particularly when paired with performance tunes, with aFe claiming gains of +14 horsepower and +13 lb-ft torque. The system delivers a more aggressive intake sound that many find appealing. However, owners are candid that cold air intakes rarely produce dramatic power gains over stock setups, with some calling it "a waste of money" from a pure performance standpoint—though they admit it looks cool and feels snappier. Despite the modest gains, the aFe Momentum has earned respect as a quality-built system for enthusiasts prioritizing sound, appearance, and incremental improvements.
Key Features
- smooth one-piece sealed housing
- CAD designed dyno-tuned roto-mold intake tube
- oil-free large 9 inch Tall conical flat top 360 degree radial flow performance air filter
- 3-layers of progressive finer porosity synthetic media
- unique air filter-to-housing interface patent pending
- premium stainless steel worm gear clamps and a silicone coupler
Why Choose the AFE Momentum ST Cold Air Intakes
Delivers a smoother, more powerful engine sound and improved throttle response.
Achieves maximum airflow for exhilarating acceleration and sustained power.
Provides a cooler, denser air charge for a significant horsepower boost.
Transforms your driving experience with a noticeable increase in performance.
Who Is This For?
Street Performance — 8/10
Dyno-tuned tube and large filter maximize airflow.
Engine Performance — 9/10
Maximizes airflow for significant horsepower boost.
Easy DIY Install — 7/10
Bolt-on install type with premium clamps.
Track / Autocross — 7/10
Performance filter and intake tube enhance airflow.
Drag Racing — 7/10
Performance filter and intake tube enhance airflow.
Visual / Aesthetic Upgrade — 6/10
Premium materials and design suggest improved appearance.
Frequently Asked Questions
How do I confirm if the aFe Momentum ST Cold Air Intake fits my vehicle?
Confirm fitment directly with your vehicle's specific make, model, and year through our fitment guide. This ensures the bolt-on install type seamlessly integrates with your existing engine components. Your vehicle's optimal performance is guaranteed with this precisely engineered intake system.
What is the installation process for the aFe Momentum ST Cold Air Intake?
The aFe Momentum ST Cold Air Intake features a simple bolt-on install type for straightforward integration. The usage matrix scores this a 7 for Easy DIY Install, utilizing premium clamps for a secure and hassle-free upgrade. Achieve enhanced engine performance with confidence in its user-friendly design.
What kind of performance improvements can I expect from the aFe Momentum ST Cold Air Intake?
Experience a significant horsepower boost, achieving a score of 9 for Engine Performance from our usage matrix. This dyno-tuned intake tube and large conical filter maximize airflow for exhilarating acceleration and sustained power. Transform your driving experience with noticeable performance gains.
Is upgrading to an aFe Momentum ST Cold Air Intake worth the investment over the stock system?
Upgrading is unequivocally worth it, as the CAD designed dyno-tuned roto-mold intake tube maximizes airflow for a significant horsepower boost. This enhances engine performance beyond the capabilities of the stock component. Drive with the confidence of superior engineering and tangible power gains.
What are the key maintenance requirements for the aFe Momentum ST Cold Air Intake filter?
Maintenance is easy, requiring simple cleaning of the large 9-inch tall conical, oil-free performance air filter. The 3-layers of progressive synthetic media ensure long-lasting filtration and airflow. Enjoy sustained peak performance with minimal effort for your vehicle.
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
Additional Information
CARB: |
This product is not CARB Legal and not for sale in California |
Clearance Item: |
N |
MPN: |
50-40045R |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Air Intake Systems>Cold Air Intakes |
Install Type: |
Bolt-On |
Product Level: |
Premium Performance |
Street Performance: |
8/10 |
Engine Performance: |
9/10 |
Easy DIY Install: |
7/10 |
Track / Autocross: |
7/10 |
Drag Racing: |
7/10 |
Visual / Aesthetic Upgrade: |
6/10 |
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