Pro Xe B9 Audi S4 S5 3.0t EA839 Hybrid Turbo Upgrade

Introducing the Pro Xe Automotive Hybrid Turbo Upgrade for the EA839-powered Audi S4 and Audi S5 — engineered to push the factory single turbo setup beyond stock limitations while maintaining rapid spool, OEM drivability, and direct-fit installation.

Built from genuine OEM turbocharger housings and upgraded with high-flow internal components, these hybrid turbos are designed to deliver substantially improved airflow and top-end power without the excessive lag commonly associated with large-frame turbo conversions.

Features

• OEM-based hybrid turbocharger upgrade
• Upgraded compressor and turbine wheel combination
• CNC-machined and optimized factory housings
• Increased airflow efficiency and reduced turbine restriction
• Faster transient response compared to many large-frame alternatives
• Direct bolt-on installation
• Retains factory-style fitment and compatibility
• Designed for pump gas, ethanol blends, or full E85 setups with supporting modifications

Performance Benefits

• Stronger midrange torque and improved top-end power
• Increased horsepower capability over stock turbo systems
• Broader and more efficient powerband
• Improved high-RPM airflow while maintaining excellent street manners
• Ideal balance between responsiveness and peak performance

Recommended Supporting Modifications

• ECU/TCU tuning
• Upgraded intercooler
• High-flow intake system
• Upgraded exhaust/downpipe
• Ethanol fueling upgrades for maximum power potential

Perfect for enthusiasts looking to transform the EA839 platform into a true sleeper while preserving the refinement and drivability Audi intended. Whether for aggressive street driving, roll racing, or a refined daily driver with serious power, the Pro Xe B9 S4/S5 Hybrid Turbo Upgrade delivers OEM-style response with significantly increased performance capability.