Volkswagen Golf GTI Mk6 2.0 TSI Remapping and Tuning

Unlock the full potential of your Volkswagen Golf GTI Mk6 2.0 TSI (210HP) with Onyx Performance, based in Slough, Berkshire, just outside West London. Whether you’re looking for Stage 1 tuning for improved power and responsiveness or Stage 2 tuning for enhanced performance with supporting hardware upgrades, we provide expert ECU remapping, servicing, performance upgrades, and vehicle security solutions tailored specifically for your Golf GTI Mk6.

Our Stage 1 and Stage 2 software has been extensively developed and tested on our 4WD Dyno, and we work with leading software and hardware specialists across Europe to deliver the best combination of power, reliability, and drivability.

Volkswagen Golf GTI Mk6 Stage 1 & Stage 2 – Power Gains

Stage 1 – Power Gains:

Stock Performance: 210HP / 280Nm
Stage 1 Remap: 275HP / 380Nm
Hardware Required: None

Our Stage 1 remap is designed for vehicles with stock hardware, offering significant increases in power and torque without requiring any modifications. The optimised ECU calibration enhances throttle response, turbo efficiency, and overall driveability, making the Golf GTI Mk6 feel significantly sharper and more responsive.

Stage 2 – Power Gains:

Stock Performance: 210HP / 280Nm
Stage 2 Remap: Up to 290HP / 400Nm*
Hardware Required:
- Decat Downpipe or High-Flow Sports Catalyst
- Cat-Back Exhaust System (Optional but Highly Recommended)
- Upgraded Air Filter
- Larger Intercooler
- Onyx Performance Stage 2 Gearbox Software
- Spark Plug and Ignition Coil Upgrade (Recommended for Optimal Performance & Reliability at Higher Power Levels)

Stage 2 tuning builds upon Stage 1 by introducing essential hardware modifications, improving airflow, cooling efficiency, and exhaust flow to increase power output and strengthen mid-range torque.

Stage 2 performance figures may vary depending on installed modifications.

Onyx Performance – Volkswagen Golf GTI Mk6 Remap Service Includes:

✔ Rolling Road (Dyno) Session for accurate power measurement
✔ Data Logging and Diagnostics to ensure optimal tuning
✔ Before and After Performance Printouts
✔ Engine Smoke Test to check for Boost/Vacuum Leaks
✔ Catalyst Efficiency Fault Code Delete (Optional)
✔ Overrun Crackles / Pops & Bangs (Optional)
✔ Speed Limiter Removal (Optional)
✔ Comprehensive Diagnostic Check

Our remaps are developed in-house and extensively tested to provide maximum performance without compromising reliability.

Exhaust Upgrades for Volkswagen Golf GTI Mk6

Enhance the sound and performance of your Golf GTI Mk6 with a high-performance exhaust system:

? Decat Downpipe or High-Flow Sports Catalyst – Improves turbo efficiency and exhaust flow for maximum power
? Cat-Back Exhaust System – Optimises exhaust tone, turbo response, and performance
? GPF Delete (For GPF-Equipped Models) – Recommended for maximum sound and power
? Resonator Deletes – Adds a sportier, more aggressive exhaust note

Pairing Stage 2 tuning with a decat downpipe or high-flow sports catalyst allows for enhanced power delivery and improved exhaust acoustics.

Servicing and Maintenance for Volkswagen Golf GTI Mk6

Keeping your Volkswagen Golf GTI Mk6 in top condition is essential for long-term reliability and performance. At Onyx Performance, we offer:

? Routine Servicing: Oil changes, filter replacements, and general maintenance
? Brake Repairs and Upgrades: OEM replacements and high-performance brake kits
? Suspension Maintenance & Upgrades: Ensuring optimal handling and ride quality
? Diagnostics and Fault Repairs: Advanced system scans to identify and resolve potential issues

With our expertise in Volkswagen tuning and maintenance, we provide specialist care for your Golf GTI Mk6, ensuring it runs at peak performance.

Styling, Performance Upgrades & Vehicle Security

Enhance your Volkswagen Golf GTI Mk6 2.0 TSI with custom styling, performance upgrades, and vehicle security solutions tailored to your needs:

Styling and Performance Upgrades:

? Aero Kits & Carbon Fibre Components – Stylish, aerodynamic enhancements
? Lowering Springs & Coilovers – Improved handling and stance for a sportier feel
? Big Brake Kits – High-performance braking systems for superior stopping power

Vehicle Security Solutions:

Protect your Volkswagen Golf GTI Mk6 with advanced security solutions, ensuring peace of mind:

? Autowatch Ghost Immobilisers – Prevents key cloning and unauthorised starts
? MetaTrak Trackers – Live GPS tracking with mobile app integration
? Scorpion Track Systems – Motion alerts and driver recognition for enhanced security
? Fleet Trackers – Ideal for tracking and securing multiple high-value vehicles

Our security solutions are professionally installed to ensure seamless operation and protection.

Opening Hours and Contact Information

? Visit Us:

Location: Slough, Berkshire
Opening Hours:
Monday–Friday: 10 AM–6 PM
Saturday: 10 AM–3 PM
Closed Sundays
? Phone: 01753 439321
? Email: info@onyxperformance.co.uk

About Onyx Performance

At Onyx Performance, we specialise in high-quality tuning, remapping, servicing, upgrades, and security solutions for Volkswagen Golf GTI Mk6 models, ensuring maximum performance, reliability, and safety.

Our experienced team is committed to providing the best tuning solutions in the UK for Volkswagen performance vehicles.

Flexible Finance Options

? Spread the cost of your Volkswagen Golf GTI Mk6 tuning, performance upgrades, and security solutions with our flexible finance plans, available over 4 monthly payments.

✅ All prices include VAT
✅ No hidden fees
✅ Simple application process

Contact Onyx Performance

Transform your Volkswagen Golf GTI Mk6 2.0 TSI today with Onyx Performance. Whether you’re looking for Stage 1 or Stage 2 remapping, performance exhaust systems, styling enhancements, or vehicle security solutions, our expert team is here to help.

? Call us now on 01753 439321 to book your tuning service or discuss Stage 2 and security options!

Explore all tuning packages in our shop – Klarna, PayPal & Clearpay available at checkout!

Volkswagen Golf GTI MK6 2.0TSI – Remap/Tuning Packages