aFe Silver Bullet Throttle Body Spacer Kit for Honda Civic Si and Accord, Part Number 46-37001

Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers are constructed out of durable T-6061 billet aluminum and using a unique serrated/helix entry to create turbulence at the manifold while eliminating the annoying whistle found in other helix only throttle spacers. Silver Bullet Throttle Body Spacer Kit Honda Civic Si 12-15 L4-2.4L

• Precision Machined From T-6061 Billet Aluminum
• Produces Increased HP/Torque/Throttle Response
• Increased Air Volume For Better Performance
• 2 Year Limited Warranty
• Special Helix Design
• No Annoying Whistle
• Fits w/aFe Intakes

Improve airflow into the engine with the aFe Silver Bullet Throttle Body Spacer, Part Number 46-37001. Designed for select Honda Civic Si, Honda Accord, and Acura TSX applications, this spacer uses a precision-engineered serrated and helix entry to create controlled turbulence near the intake manifold. The design helps increase air volume and may improve horsepower, torque, throttle response, and fuel efficiency when used with a properly matched intake system.

Constructed from durable T-6061 billet aluminum, the aFe Silver Bullet spacer is built for reliable performance and long-term use. Its specialized entry design promotes airflow without the annoying whistle commonly associated with helix-only throttle body spacers. The kit is also compatible with aFe intake systems, making it a practical upgrade for supported applications. Installation hardware and components are supplied as provided by the manufacturer, and the product is backed by a 2-year limited warranty.

Key Product Specifications & Technical Data:

• Brand: aFe
• Product Line: Silver Bullet
• Part Number: 46-37001
• Part Type: Throttle body spacer kit
• Construction: T-6061 billet aluminum
• Airflow Design: Serrated and helix entry
• Warranty: 2-year limited warranty
• Emissions Information: EPA compliant; CARB Executive Order D-550-47

What's Included: One aFe Silver Bullet throttle body spacer kit and manufacturer-supplied installation components. Fitment includes select 2008-2009 Honda Accord applications, 2012-2015 Honda Civic Si models with the 2.4L inline-four engine, and 2009-2012 Acura TSX applications. Verify the vehicle year, engine, trim, and intake configuration before ordering.

Features:

• Precision-machined T-6061 billet aluminum construction provides durable performance.
• Special serrated and helix design creates controlled airflow turbulence near the intake manifold.
• Increased air volume can support improved horsepower, torque, throttle response, and fuel efficiency.
• Designed to reduce the annoying whistle associated with helix-only throttle body spacers.
• Compatible with aFe intake systems on supported applications.
• Backed by a 2-year limited warranty.

Fitments:
2008 Honda Accord EX
2008 Honda Accord EX-L
2008 Honda Accord LX
2008 Honda Accord LX-P
2008 Honda Accord LX-S
2009 Acura TSX Base
2009 Honda Accord EX
2009 Honda Accord EX-L
2009 Honda Accord LX
2009 Honda Accord LX-P
2009 Honda Accord LX-S
2010 Acura TSX Base
2010 Honda Accord EX
2010 Honda Accord EX-L
2010 Honda Accord LX
2010 Honda Accord LX-P
2010 Honda Accord LX-S
2011 Acura TSX Base
2011 Honda Accord EX
2011 Honda Accord EX-L
2011 Honda Accord LX
2011 Honda Accord LX-P
2011 Honda Accord LX-S
2011 Honda Accord SE
2012 Acura TSX Base
2012 Acura TSX Special Edition
2012 Honda Accord EX
2012 Honda Accord EX-L
2012 Honda Accord LX
2012 Honda Accord LX-P
2012 Honda Accord LX-S
2012 Honda Accord SE
2012 Honda Civic Si
2013 Acura ILX Base
2013 Acura TSX Base
2013 Acura TSX Special Edition
2013 Honda Accord EX
2013 Honda Accord EX-L
2013 Honda Accord LX
2013 Honda Accord LX-S
2013 Honda Accord Sport
2013 Honda Civic Si
2014 Acura ILX Base
2014 Acura TSX Base
2014 Acura TSX Special Edition
2014 Honda Accord EX
2014 Honda Accord EX-L
2014 Honda Accord LX
2014 Honda Accord LX-S
2014 Honda Accord Sport
2014 Honda Civic Si
2015 Acura ILX Base
2015 Honda Accord EX
2015 Honda Accord EX-L
2015 Honda Accord LX
2015 Honda Accord LX-S
2015 Honda Accord Sport
2015 Honda Civic Si
2016 Honda Accord EX
2016 Honda Accord EX-L
2016 Honda Accord LX
2016 Honda Accord LX-S
2016 Honda Accord Sport
2017 Honda Accord EX
2017 Honda Accord EX-L
2017 Honda Accord LX
2017 Honda Accord LX-S
2017 Honda Accord Sport
2017 Honda Accord Sport Special Edition

Air Freight Prohibited: false
Not Carb Approved: false
Carb Eo Number: D-550-47
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: Compliant
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1