aFe Power (Advanced FLOW Engineering) is a leader in high-performance automotive upgrades, delivering cutting-edge air intake systems, exhausts, tuners, and more for enthusiasts who demand power and precision. Designed and manufactured in the USA, aFe Power products are engineered to maximize horsepower, torque, and efficiency, whether on the street, track, or off-road. With relentless innovation and race-proven performance, aFe Power unlocks your vehicle's full potential.
The serrated/helix design (US PAT 07055513) creates turbulence in the intake manifold and increases air pressure in the combustion chamber for better performance. This unique entry design also reduces intake whistle that commonly occurs with other helix-only styles. The addition of a Silver Bullet throttle body spacer lengthens the intake tract, which increases air intake speed, resulting in improved throttle response and overall performance. All Silver Bullet throttle body spacers are precision machined from 6061-T6 billet aluminum for lightweight, high strength, and a black anodized finish. This Silver Bullet throttle body spacer includes quality, machined screws, allowing for a secure, factory-like, non-damaging install to your factory intake manifold. This throttle body spacer will fit aFe Power intakes P/N: 51-81012-B, 54-81012-B, 51-81012-C, 54-81012-C, 54-13053D and 54-13053R.
Installation Instructions
This Part Fits:
Fitment Years: 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013.
The serrated/helix design (US PAT 07055513) creates turbulence in the intake manifold and increases air pressure in the combustion chamber for better performance. This unique entry design also reduces intake whistle that commonly occurs with other helix-only styles. The addition of a Silver Bullet throttle body spacer lengthens the intake tract, which increases air intake speed, resulting in improved throttle response and overall performance. All Silver Bullet throttle body spacers are precision machined from 6061-T6 billet aluminum for lightweight, high strength, and a black anodized finish. This Silver Bullet throttle body spacer includes quality, machined screws, allowing for a secure, factory-like, non-damaging install to your factory intake manifold. This throttle body spacer will fit aFe Power intakes P/N: 51-81012-B, 54-81012-B, 51-81012-C, 54-81012-C, 54-13053D and 54-13053R.
Installation Instructions
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2013 | BMW | 128i | Base |
| 2006 | BMW | 325i | Base |
| 2006 | BMW | 325xi | Base |
| 2007-2013 | BMW | 328i | Base |
| 2009-2013 | BMW | 328i xDrive | Base |
| 2007-2008 | BMW | 328xi | Base |
| 2006 | BMW | 330i | Base |
| 2006 | BMW | 330xi | Base |
Fitment Years: 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013.
- CARB:
- This product is not CARB Legal and not for sale in California
- Category:
- Air Intake Systems>Throttle Body Spacers
- Core:
- N
- Core Price:
- 0
- LTL:
- N
- MPN:
- 46-31011
- Proposition 65:
- Y
