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Dual Port vents both to the atmosphere & back into the air intake. Ports with sequential timing allow quieter operation during normal driving, while getting all the benefits of a vent-to-atmosphere BOV under race conditions.

When Turbosmart began making performance products back in 1997, a great amount of effort was put into the design and manufacturing process to ensure our products created a new standard. More hand-crafted than mass-produced, Turbosmart products quickly gained acceptance within the performance community for their quality and reliability. Coupled with extraordinary service and after-sales support, Turbosmart quickly became one of the most sought-after names in the industry. Not much has changed since then. Although our product line and the company itself have grown considerably, the products are still designed and manufactured in our factory in Sydney, Australia, using the same tried and proven formula of innovative design, strict quality control, and rigorous testing. We have invested in our research facility manufacturing equipment and staff training to ensure our products continue to perform up to and beyond your expectations. At Turbosmart, we do not believe in cutting corners and half-measures. We do not accept anything short of perfection – and neither should you.
Full recirculating BOV. The Plumb Back system recirculates all excess pressure back into the intake system. Great for enthusiasts not wanting to be noticed but wanting the performance and reliability benefits of a quality BOV.

Fully recirculating valve. A quiet alternative to the atmospheric BOV, the PlumbBack system vents all excess pressure into the intake system.
Fully recirculating valve. A quiet alternative to the atmospheric BOV, the Plumb Back systems vents all excess pressure back into the intake system.
Ideal for cars with sensitive Air-flow systems and off-road applications as the fully-sealed design of the Plumb Back prevents any foreign matter from entering the system.

The PowerPort is Turbosmart’s most significant and highest-flowing blow-off valve, resetting the flow benchmark set by our popular and highly regarded RacePort Blow Off Valve and designed to be as light as possible to keep vehicle weight down. Its cutting-edge dual-chamber design is capable of advanced control strategies. It can be held open with a solenoid to aid turbo response and control during staging to give the best possible launch for drag racing, etc.
PowerPort BOV (Black)

• Quick Release V-Ban Collar for ease of fitment & serviceability
• Collar Secured Cap for Quick Spring Changes & Servicing
• Designed, Manufactured and validated in Australia
• 3 User Configurable Corrosions Resistant Springs
• Pre-Drilled Collar for Lockwire provision
• Billet 6000 Series Aluminum Construction
• 1/8 NPT Reference Fittings (Twin Port)
• 2.5″ Inlet & Flows Over 600 CFM
• Optional Valve Position Sensor
• MILSPEC Hard Anodized Valve