Stock 200hp and 280NM.
Stage 1: 250hp and 360NM.
Stage 2: 260hp and 400NM.
 
 
Stage 1 Tuning 
Essential Hardware
ECU Software Upgrade: A crucial upgrade that optimizes key engine parameters such as fuel mixture, ignition timing, and boost levels to significantly enhance overall performance.
Optional Enhancements
High-Performance Air Filter: Boosts airflow to the engine, slightly improving performance and responsiveness.
Performance Boost
Power Increase: Typically provides a gain of about 45-50 horsepower and 70-80 Nm of torque over the standard setup.
New Power Levels: Power output can increase to approximately 240-250 horsepower, depending on the vehicle’s original specifications.
 
Stage 2 Tuning
Essential Hardware
Includes All Stage 1 Essentials
High-Flow Downpipe: Crucial for reducing exhaust back-pressure and effectively managing increased heat from higher boost levels.
Optional Enhancements
Upgraded Intercooler: Highly recommended to efficiently manage the higher intake temperatures, ensuring sustained performance and engine health under pressure.
Exhaust System Upgrade: Enhances exhaust flow and contributes to a more aggressive engine sound.
Performance Air Filter (if not already upgraded in Stage 1): Further improves airflow, enhancing overall engine performance.
Performance Boost
Power Increase: Expect additional gains of about 55-60 horsepower and 110-120 Nm of torque beyond Stock
New Power Levels: Total power output could reach between 250-260 horsepower, depending on the initial vehicle condition and tuning quality.
 
Important Note for Buyers
This page details software-only tuning packages for the Volkswagen Golf MK5 GTI. The necessary hardware components for each tuning stage are not included and must be acquired separately. Using compatible, high-quality parts is essential to achieve the stated performance improvements and to ensure the safety and reliability of your vehicle.