A direct fit upgrade to all 4th-generation Turbosmart Wastegates & featuring our unique collar-locking system

such as CO2 drag racing

CFD optimized and validated in-house for maximum flow and thermal management

No more cut or bruised silicon hose thanks to this unique design that allows the silicon to expand and contract when heat cycling in your engine compartment without losing any tension

and kept the boost steadier throughout the rev range - and eliminated the mid range boost drop

BOV Supersonic Subaru -Black JR10 A direct fit upgrade toPreferred venting solution for serious street tuners and racers. Big flow and even bigger sound. Easy to install and set up. SUPPLIED WITH: Gasket, Yellow Spring (rated 22 to 20 InHg) installed, and hose blanking plug.