aFe Silver Bullet Throttle Body Spacer (46-33017) enhances horsepower, torque, and fuel efficiency for 2011–2012 Ford F-150 EcoBoost V6 3.5L engines. Constructed from durable T-6061 billet aluminum, this spacer features a unique serrated/helix design that creates turbulence in the air/fuel charge to improve throttle response and increase overall engine efficiency. The Silver Bullet spacer not only helps mix the air and fuel for a more complete burn but also eliminates the annoying whistle found in other helix-only spacers. With a clearcoat finish and precision-machined construction, it adds performance without compromising on durability.
Key Features :
Precision-machined from durable T-6061 billet aluminum
Serrated/helix design creates turbulence for better fuel mixing
Increases horsepower, torque, and fuel efficiency
Reduces the whistling noise found in traditional throttle body spacers
Improves volumetric efficiency by increasing the volume between the throttle and cylinder
CARB EO number D-550-43, California EO approved
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