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

It is capable of handling higher pressures than traditional vacuum hose

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

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

Turbine Exducer: 66mm

BOV Supersonic Subaru -Black JR10 No more cut or bruisedPreferred 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.