The Turbosmart GenV WG38 UltraGate38 External Wastegate is a motorsport-proven, cost-effective solution designed for enthusiasts seeking precise boost control and long-term reliability. As part of the GenV range, it offers the highest flowing external wastegate performance available, with extensive user configuration for optimal control and durability.

Key features include a traditional 3-bolt flange and mounting orientation, making it a direct-fit upgrade for all Gen4 Turbosmart wastegates. The GenV WG38 is engineered with a unique collar-locking system, variable actuator cap and base for easy 360-degree reference hose routing, and optional liquid-cooling provision. It is compatible with optional position sensor upgrades and comes equipped with 1/8″ NPT reference ports and a complete set of springs for versatile tuning.

Constructed with a high-temp 347 stainless steel body and Nitronic 60 valve guide, the GenV WG38 ensures class-leading thermal performance and fatigue resistance. The actuator features 17/7 PH stainless steel springs for consistent operation under extreme conditions. CFD optimization and in-house validation guarantee best-in-class flow and thermal management.

Available in Black, Blue, Red, Purple, and Sleeper colors. The HP High Pressure version is available in Black only.

• Motorsport-proven external wastegate
• Highest flowing GenV design
• Direct fit for Gen4 Turbosmart wastegates
• 3-bolt flange and mounting orientation
• Collar-locking system
• Variable actuator cap and base for 360-degree hose routing
• Optional liquid actuator cooling
• Optional position sensor upgrade
• 1/8″ NPT reference ports
• Full range of included springs
• High-temp 347 stainless steel body
• Nitronic 60 valve guide
• 17/7 PH stainless steel springs
• CFD and bench-validated for flow and thermal management
• Available in Black, Blue, Red, Purple, Sleeper (HP version in Black only)