Torque Solution Throttle Body Spacer (Blue)Torque Solution Throttle Body Spacer Applications: Subaru Drive By Wire Cars 2004+ Torque Solution Throttle Body Spacers are designed to increase Horsepower & Torque. By creating more intake manifold volume along with a better air fuel mixture you will make more power and get better fuel economy. CNC Machined from 6061 Billet Aluminum we can assure you the fit and finish is perfect. Spacer has 2 1 8" NPT Threaded Ports that can be used for vacuum,