This Stage 2 Sealed Intake produces 12hp and 15lbs. x ft. torque and outflows the factory intake by 56%. Fully enclosed in a heat-shielding molded plastic housing; this air intake system features a washable/reusable conical air filter that improves airflow for increased horsepower and torque.

Key Features:

• Magnum FORCE Stage-2 Si Pro DRY S Air Intake System
• Incl. Air Filter/2-Piece Sealed Housing/ABS Cover/Auxiliary Air Inlet Ducts/Molded Intake Tube
• +12 HP/+15 Lbs. x Ft. Torque

aFe was found in April, 1999. They have a team of experienced engineers that produce high flow, high performance air filters & intake systems for the automotive industry. They also manufacture exhaust systems, intercoolers, turbochargers, programmers, differential covers, transmission pans and throttle body spacers for late model cars, trucks, SUV's.

Brand: aFe Power
Part Number: 51-81012-B

Vehicle Fitment Table

FAQ

Will this fit my vehicle?
Please verify your year, make, model, position, and any fitment notes using the compatibility table above before purchase.

What part number is this?
The listed part number is 51-81012-B.

Is this product designed for direct replacement?
Yes. This product is intended to match the compatible vehicle applications listed in the fitment table.

Should I confirm fitment before ordering?
Yes. Always compare your original part, position, and vehicle details with the fitment table before ordering.

Common Searches

• Magnum FORCE Stage-2 Si PRO DRY S Intake System for BMW 128I
• 51-81012-B fitment
• aFe Power Magnum FORCE Stage-2 Si PRO DRY S Intake System
• 2008–2013 BMW 128I Magnum FORCE Stage-2 Si PRO DRY S Intake System