- Subaru Throttle Body Spacers & Adapters
- 13mm Throttle Body Spacer - Subaru Drive-By-Wire Aluminum Manifold
- Fits the following Subarus:
- 2005 - 2007 WRX
- 2004 - 2021 STI
- 2004 - 2007 Forester XT
- 2005 - 2011 Impreza 2.5i
- 2006 - 2007 Legacy 2.5L (not GT)
- Others that use Subaru gasket #16175AA243
- (Basically all '04-'21 Subaru EJ engines with aluminum intake manifold)
- 2.5i "long runner" intake manifold swap.
- Most EJ applications with aftermarket DBW intake manifolds
- Will not work on plastic intake manifolds or BRZ. See other listings.
- Works with all front-mount intercoolers (FMIC).
- Usually works with top-mount intercoolers (TMIC), but it is a tight fit.
- Silicone coupling may need to be cut shorter.
- 13mm thickness allows rotating the throttle body.
- Perfect for reversed / flipped intake manifolds.
- (Cosworth manifold needs 19mm to rotate - see other listings)
- 1/8"-NPT ports available for NOS, WMI, etc. See other listings or contact us.
- Gaskets and longer hardware included:
- #147 & #151 o-rings are reusable and readily available.
- Stainless bolts and washers.
- CNC made in USA from 6061 aluminum alloy.
- Other thicknesses available up to 1"+. See other listings or contact us.
- Also please contact us with any other custom adapter needs!