Both high and low boost settings are fully adjustable

New for 2023

so you can have all the performance of a Turbosmart blow-off valve

The Shortie offers improved valve response thanks to its lightweight piston

BOV Dual Port Subaru-Black Chevrolet Both high and low boostEasy to install and setup, the Subaru Dual Port features sequential ports for quiet operation on mild boost and full performance at full boost. SUPPLIED WITH: Blanking Plug, Yellow Spring rated 22 to 20 InHg (installed), Replacement Oil Breather Hose and Fittings, and a Gasket. Subaru Dual Port can only be run in either Dual Port or Plumb back configurations due to design of the factory return hose.