Boomba Racing Throttle Body Adapter Subaru WRX STi (04-20) [Cosworth Manifold Spacer – DBW 75mm] Anodized or Aluminum

Fitment Information Subaru WRX STi (2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020)  Emissions Compliance This item does not have a CARB EO Number and does not ship to California or any CARB states. Specs & Features Available in multiple anodized finishes 75mm TB compatible Product Description The spacer allows you to use our 75mm throttle body with the Cosworth intake manifold. This piece is bored out to 75mm to allow free flowing air directly into the manifold.