EX50 50mm Wastegate

🔧 EX50 50mm External Wastegate

The EX50 50mm Wastegate is a high-performance external wastegate designed for serious boost control in high-output turbocharged applications. Built to deliver maximum flow in an ultra-compact body, it is engineered for reliability under extreme heat, pressure, and racing conditions.

GFB’s EX series represents one of the most compact and efficient wastegate designs available, offering exceptional control without the bulk of traditional units.

⚙️ Key Features

• Ultra-compact 50mm external wastegate design
• High-flow valve for precise boost control
• Investment cast 253MA chromium-nickel stainless steel body
• CNC-machined billet stainless steel valve & seat
• All stainless steel weld-on fittings and hardware
• Billet 6061 aluminium actuator housing
• Nomex-reinforced silicone diaphragm for extreme heat resistance
• Internal heat shroud to prevent valve sticking and carbon build-up
• V-band clamp mounting system for secure installation
• Made in Australia under ISO 9001 quality standards

🏁 Performance Benefits

⚡ Stable Boost Control
Maintains precise boost regulation even under high-boost racing conditions.

🚀 High Flow Capacity
Supports high horsepower applications without boost creep or restriction.

🔥 Extreme Heat Resistance
Built with aerospace-grade materials to withstand severe exhaust temperatures.

🔒 Improved Reliability
Internal shroud and premium diaphragm reduce sticking, leakage, and fatigue.

🔬 Engineering Overview

The EX50 is designed around a compact high-flow valve architecture, allowing it to maintain accurate pressure control while minimizing packaging size.

Its stainless steel internals and billet actuator ensure consistent operation under repeated high-temperature cycles, making it suitable for track, drift, and high-boost street builds.

🔩 Specifications

• Product Type: External Wastegate
• Size: 50mm
• Body Material: 253MA stainless steel (investment cast)
• Valve Material: CNC-machined stainless steel
• Actuator: Billet 6061 aluminium
• Diaphragm: Nomex-reinforced silicone
• Mounting: V-band
• Manufacturing: ISO 9001 certified (Australia)

🛠️ Installation Notes

• Weld-on installation required
• Suitable for custom turbo manifold setups
• Designed for high-boost tuned applications
• Professional installation recommended
• Boost control tuning required after fitment

🏆 Perfect For

• High horsepower turbo builds
• Motorsport applications (drift, drag, circuit)
• Engine conversions and custom manifolds
• Precision boost-controlled setups
• Performance street/track vehicles