The aFe Silver Bullet Throttle Body Spacer (46-38012B) enhances performance and throttle response for 2019-2021 Toyota Corolla models with 2.0L engines. Precision-machined from 6061-T6 billet aluminum, this black anodized spacer features a patented serrated/helix design that creates optimal air turbulence while reducing unwanted intake whistle.
Key Features :
Direct-fit for 2019-2021 Toyota Corolla 2.0L engines
Patented serrated/helix design (US PAT 07055513)
Reduces intake whistle common with helix-only designs
Precision-machined from 6061-T6 billet aluminum
Black anodized finish for durability
Improves throttle response and combustion efficiency
Includes gasket for perfect seal
Uses factory mounting points for easy installation
The unique serrated/helix combination increases air turbulence in the intake manifold, resulting in better air/fuel mixing and more complete combustion. This design also eliminates the whistling sound associated with traditional throttle body spacers. The spacer's increased volume between the throttle body and intake manifold improves volumetric efficiency for enhanced performance.
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