TiAL 003540 MV-R 44mm External Wastegate 1.0 Bar Blue

The TiAL MV-R 44mm External Wastegate (Part #003540) is a high-performance, fully stainless steel external wastegate engineered for serious turbocharged applications. This version is supplied with a 1.0 bar (14.5 PSI) actuator spring and features a distinctive blue anodized aluminum top cap, making it easy to identify spring rate at a glance.

The MV-R builds on TiAL's legendary MV series with a reinforced valve seat and improved sealing geometry for more precise boost control and longer service life under extreme heat and pressure cycles. The 44mm valve size provides excellent exhaust flow capacity, making it suitable for a wide range of turbocharged builds from street performance to dedicated race vehicles.

Key Features:

• 44mm valve diameter for high exhaust flow capacity
• 1.0 bar (14.5 PSI) actuator spring included
• Blue anodized top cap for quick visual spring identification
• Full 304 stainless steel body construction for heat and corrosion resistance
• Reinforced valve seat with improved sealing for consistent boost control
• Dual-port actuator housing for both positive and negative pressure references
• Serviceable design with available replacement parts and spring kits
• Compatible with TiAL MV-R spring and seal replacement kits

The TiAL MV-R is a direct evolution of the original MV series and remains one of the most trusted external wastegates in the performance and motorsport industry. Its robust construction and precise actuation make it ideal for high-boost street builds, time attack, drag racing, and rally applications.