The aFe Silver Bullet Throttle Body Spacer (46-37001) enhances performance for 2012 Honda Civic Si, 2008-2012 Honda Accord, and 2009-2012 Acura TSX models. Precision-machined from T-6061 billet aluminum, this spacer creates optimal air turbulence while eliminating the whistling noise common with other designs.
Key Features :
Direct fit for 2012 Civic Si/2008-12 Accord/2009-12 TSX
T-6061 billet aluminum construction with clearcoat finish
Unique serrated/helix design improves air/fuel mixing
Increases horsepower and torque output
Enhances throttle response and fuel efficiency
CARB approved (EO# D-550-11) for California use
Eliminates whistling noise of conventional spacers
This performance-enhancing spacer works by creating turbulence in the intake airflow, which improves the air/fuel mixture for more complete combustion. The increased volume between the throttle body and intake manifold boosts volumetric efficiency while the precision-machined design ensures perfect fitment.
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