aFe Silver Bullet Throttle Body Spacer (46-39002) boosts airflow and throttle response for 2009–2016 Audi A4 2.0L Turbo with a durable billet aluminum design. This precision-machined spacer is built from high-quality T-6061 billet aluminum and features a unique serrated/helix combination that enhances air turbulence just before it enters the intake manifold. The result is improved volumetric efficiency, delivering more horsepower, torque, and fuel efficiency. Unlike typical helix-only spacers, this design minimizes unwanted whistling, providing performance without noise.
Key Features :
Fits 2009–2016 Audi A4 with 2.0L turbocharged I4 engine
Precision-machined from T-6061 billet aluminum for strength and durability
Serrated/helix design improves air/fuel mixture and combustion efficiency
Increases horsepower, torque, and throttle response
Reduces the common whistle found in traditional helix spacers
Adds volume between throttle body and intake manifold
Easy bolt-on installation with no permanent modifications required
1 to 2 Business Days
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