The Proven Performance Parts Stage 3 Package is the ultimate hardware upgrade solution for Audi S3 8Y owners seeking to dramatically increase power, cooling efficiency, turbo response, and overall performance capability. Designed around the Garrett PowerMax Turbo Charger GT2563S and supported by premium airflow, cooling, exhaust, and durability upgrades, this package transforms the S3 into a high-output, quattro-driven, track-ready performance machine.

Every component has been carefully selected to work together in harmony — providing maximum reliability and power potential when paired with a high-quality custom Stage 3 tune.

Please note: We do not provide tuning services. You will need to organise your own professional tuner, and the final performance results will depend entirely on the quality, accuracy, and safety of the calibration.

Complete Hardware Package Overview

Garrett PowerMax Turbo Charger GT2563S

At the heart of the system is the Garrett PowerMax GT2563S, a direct-fit turbocharger engineered to significantly increase airflow and power output on the EA888 EVO4 platform. Designed with advanced compressor and turbine aerodynamics, this turbo delivers faster spool, stronger mid-range torque, and aggressive top-end power.

With the correct supporting modifications and tuning, it is capable of supporting up to ~520HP — making it a serious upgrade over the factory turbo.

3.0” High-Flow Catless Downpipe

The included 3.0” catless downpipe is designed to drastically reduce exhaust backpressure, allowing the turbocharger to operate more efficiently and spool faster.

Constructed from TIG-welded 304 stainless steel, it is built to handle extreme heat and high-performance driving conditions while maximising exhaust flow and overall engine efficiency.

High-Performance Front-Mount Intercooler

Charge-air cooling is critical in any Stage 3 build. This upgraded front-mount intercooler features a significantly larger core and improved airflow design to keep intake temperatures low under high boost.

This results in:

• Reduced heat soak
• Consistent power during repeated pulls
• Improved reliability in hot conditions

Titanium Charge Pipe Upgrade

Replacing the factory plastic piping, the upgraded titanium charge pipes provide increased strength, durability, and unrestricted airflow under high boost pressure.

These pipes:

• Eliminate common failure points
• Improve throttle response
• Ensure reliable boost delivery

Carbon Fibre Performance Intake System

The carbon fibre intake system is engineered to deliver cold, dense air directly to the turbocharger. Featuring a high-flow air filter and sealed housing, it improves airflow efficiency while reducing heat soak.

It also enhances induction sound, delivering a sharper and more aggressive turbo noise.

Full Titanium Valved Cat-Back Exhaust System

Completing the system is a lightweight titanium valved exhaust designed for both performance and daily usability.

This system:

• Improves exhaust flow
• Reduces overall vehicle weight
• Enhances turbo efficiency

With an integrated valve system, you can switch between a quiet daily mode and a fully open aggressive exhaust note — giving you the best of both worlds.

Performance Expectations & Tuning Requirements

With all hardware installed and supported by a properly calibrated custom Stage 3 tune, this package is capable of producing up to:

520 BHP / 383 kW at the crank (depending on setup)
Up to 576 Nm of torque

Critical Requirement – ECU & TCU Stage 3 Tune

A custom Stage 3 ECU tune and matching TCU tune are absolutely essential for this package. This is a critical requirement — not optional.

The ECU tune controls boost, fueling, and ignition timing, while the TCU tune ensures the transmission can handle the increased torque and deliver optimal shift performance.

Without both ECU and TCU calibration:

• The hardware will not perform at its full potential
• Power delivery will be limited
• Drivability may be affected
• Mechanical stress may increase

Simply put, without proper tuning, the supporting modifications cannot operate at their maximum capability.

Why Upgrade to a Stage 3 Package?

This system is designed to deliver more than just peak power — it provides a complete performance transformation.

• Seamless integration of all components
• Maximum airflow and efficiency
• Improved cooling and thermal stability
• Stronger and more reliable boost delivery
• Aggressive yet refined driving experience

This is the ultimate turnkey Stage 3 solution for Audi S3 owners ready to move beyond Stage 1 and Stage 2 limitations.

Vehicle Fitment

Audi S3 8Y (2021+)
EA888 EVO4 Platform

Important Notice

This Stage 3 hardware package is intended for off-road or motorsport use only and may not comply with local road regulations.

Customers are responsible for ensuring proper installation, tuning, and compliance with local laws.