The aFe 46-37001 is a Silver Bullet throttle body spacer for select Honda and Acura models with the 2.4L 4-cylinder engine. It is a 1 inch thick polished aluminum spacer with a machined bore designed to add air velocity and swirl below the throttle body. It installs as a bolt-on kit with the gasket and hardware included.
- Type: Silver Bullet throttle body spacer
- Thickness: 1 in
- Material: aluminum, polished
- Application: Honda / Acura 2.4L 4-cylinder
- Includes: gasket and hardware
- Quantity: sold individually (each)
- Part number: 46-37001
Vehicle Applications
- 2008-2012 Honda Accord, 2.4L I4
- 2012-2015 Honda Civic Si, 2.4L I4
- 2009-2014 Acura TSX, 2.4L I4
- 2013-2015 Acura ILX, 2.4L I4
FAQ
What is the aFe 46-37001?
It is a 1 inch Silver Bullet throttle body spacer for select Honda and Acura 2.4L 4-cylinder models.
What does it fit?
It fits the 2.4L engine in models such as the 2008-2012 Honda Accord, 2012-2015 Civic Si, 2009-2014 Acura TSX and 2013-2015 Acura ILX.
What does a throttle body spacer do?
It adds air velocity and swirl below the throttle body and includes the gasket and hardware to install.
Is this a genuine aFe part?
Yes. It is genuine aFe part number 46-37001.

