Aluminum Turbo Blow Off Valve 25mm 32mm Diverter BOV For Car

Upgrade your turbocharged setup with this recirculating blow off valve, engineered to vent excess manifold pressure back into the intake tract rather than dumping it externally. By preventing compressor surge and maintaining steady vacuum levels, the valve accelerates throttle response, extends turbocharger durability, and eliminates fault codes that often accompany atmospheric dump styles. The chrome-finished aluminum body houses a precision-machined piston designed for universal 32 mm pipe compatibility, making it a straightforward upgrade for 4-cylinder petrol and diesel platforms like the Mitsubishi EVO series. Instead of a loud post-lift howl, you receive a tight metallic click that signals healthy boost recovery without disrupting engine management sensors.

Performance Adjustments & Fitting Advice

• Match spring tension to your turbo: The included variable preload springs let you dial in opening pressures between 5 and 40 PSI, allowing fine control over purge timing relative to your exhaust flow and wastegate settings.
• Verify piping clearance: The compact outlet requires unmetered airflow routing. Ensure the chosen mount location avoids heat shields, steering linkages, and moving suspension components before final tightening.
• Monitor under load: After installation, perform a low-throttle cruise followed by a full-power pull to confirm consistent spool-up and rule out unmetered air leaks that could lean out the mixture.

Technical Specifications

Model: UP-1103B
Construction: CNC machined aluminum with chrome plating
Connection Size: 32 mm inlet/outlet interface
Boost Holding Capacity: Rated up to 40+ PSI
Engine Match: Universal fitment for forced induction 4-cylinder turbo diesels and gasoline engines
Operating Characteristic: Closed-loop recirculation with adjustable burst pressure

Package Includes:

• 1 x 32mm Recirculating Blow Off Valve
• 2 x Adjustable Preload Springs for Pressure Calibration

Installation Requirements

Professional fitting is mandatory. This component requires specialized vacuum routing and secure clamping standards that exceed general DIY procedures. The unit ships without step-by-step diagrams to ensure compliant shop-level assembly. Minor dimensional tolerances may reflect standard manufacturing calibration processes.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

Delivering measured performance upgrades through intercyprus.com since 2002.