The Turbosmart Plumb Back Uni 32mm BOV is a fully recirculating blow-off valve designed for quiet operation and compatibility with sensitive air-flow metering systems. Unlike atmospheric valves, the Plumb Back system redirects all excess boost pressure back into the intake, maintaining metered air within the system. This makes it ideal for vehicles with mass air flow (MAF) sensors and off-road applications where keeping the intake system sealed is critical.

Built for durability and easy installation, the valve includes a quick-release V-band clamp and a pre-installed red spring for optimal response.

Key Features:

• Fully Recirculating Design – Vents all excess pressure back into the intake system

• Quiet Operation – Ideal for street and stealth builds

• MAF-Sensor Friendly – Prevents air metering issues common with atmospheric BOVs

• Fully Sealed System – Prevents dirt or water ingress in off-road or harsh environments

• Red Spring Installed – Calibrated for -17 to -14 InHg

• High-Quality Construction – Robust design with billet housing and secure V-band clamp

• Universal Weld-On Adapter – Included for custom setups

Vehicle Fitment:

• Universal – Suitable for vehicles requiring a 32mm fully recirculating BOV
  Ideal for MAF-based systems, off-road vehicles, or any build needing a sealed intake path

What’s Included:

• Turbosmart Plumb Back BOV (32mm – Black)

• Red Spring (-17 to -14 InHg) (Pre-installed)

• Quick-Release V-Band Clamp

• Weld-On Adapter

• Turbosmart Sticker