Audi S3 8Y (310HP) Remapping and Tuning
Unlock the full potential of your Audi S3 8Y (310HP) with Onyx Performance, based in Slough, Berkshire, just outside West London. Whether you’re exploring performance upgrades for the first time or striving for peak performance, we offer expert remapping, maintenance, and styling solutions tailored to your Audi S3 8Y.
This product is suitable for all Audi S3 8Y models from 2020 onwards.
Audi S3 8Y Stage 1 & Stage 2 Remap Details
Stage 1 – Power Gains:
- Stock Performance: 310HP / 400Nm
- Stage 1 Remap: 370HP / 480Nm
Our Stage 1 remap delivers a significant power and torque boost with no additional hardware required. Combined with Onyx Stage 1 Gearbox Software, your vehicle will have optimised gear shifts for enhanced performance, smoother transitions, and greater responsiveness. Expect an exhilarating increase of 60HP and 80Nm, transforming your Audi S3 8Y into a dynamic driving machine.
Spark Plug and Ignition Coil Upgrade: For all stages, including Stage 1, we highly recommend upgrading your spark plugs and ignition coils. These upgrades improve ignition performance, ensuring reliability and consistency under increased power loads.
Stage 2 – Power Gains:
- Stage 2 Remap: 400HP / 520–530Nm*
Stage 2 tuning builds upon the Stage 1 foundation with the addition of key hardware upgrades:
- Decat Downpipe or High-Flow Sports Catalyst
- Cat-Back Exhaust System (Optional but highly recommended)
- Upgraded Air Filter
- Larger Intercooler
- Spark Plugs and Ignition Coil Upgrade (essential for improved ignition and reliability)
- Onyx Stage 2 Gearbox Software
With these modifications and our tailored gearbox software, your S3 8Y will deliver precise, powerful, and consistent performance.
Stage 3 – Power Gains:
For enthusiasts seeking maximum performance, Stage 3 tuning is designed to push your Audi S3 8Y to its limits with up to 550HP. Stage 3 requires further upgrades, including a hybrid turbo, high-pressure fuel pump, and additional supporting modifications.
Spark Plug and Ignition Coil Upgrade: Essential for Stage 3 to ensure robust ignition and optimal engine performance under extreme conditions.
Get in touch to discuss Stage 2 or 3 tuning packages on 01753 439321.
*Performance figures for Stage 2 and 3 may vary depending on the installed hardware.
Why Choose Onyx Performance in Slough?
At Onyx Performance, we provide a comprehensive suite of services to optimise your Audi S3 8Y:
- Rolling Road (Dyno) Testing for accurate performance measurements
- Data Logging and Diagnostics
- Before and After Performance Printouts
- Engine Smoke Tests to identify Boost/Vacuum Leaks
- Optional features: Overrun Crackles, Speed Limiter Removal, and Catalyst Fault Code Deletes
We combine advanced tuning technology with meticulous attention to detail, ensuring you get the best performance from your vehicle.
Enhance Your Audi S3 8Y with Exhaust System Upgrades
Maximise the performance of your Audi S3 8Y with a premium exhaust system. As authorised dealers for Scorpion, Milltek, Cobra, and Quicksilver exhausts, we offer:
- Full Exhaust Systems for greater power and an enhanced sound profile
- Cat-Back Exhaust Systems to optimise exhaust flow and tone
- Resonator Deletes for an aggressive, sporty exhaust note
Upgrading your exhaust system alongside a remap ensures the best possible gains in power, torque, and efficiency.
Servicing and Maintenance for Audi S3 8Y
Keep your Audi S3 8Y in pristine condition with our specialist servicing and maintenance packages. Located in Slough, Berkshire, we offer:
- Comprehensive Servicing Plans designed for Audi S3 vehicles
- Brake Repairs and Upgrades, from OEM replacements to high-performance systems
- General Maintenance and Diagnostics to maintain reliability and performance
Our team of experienced technicians uses only the best tools and genuine parts to deliver unmatched service quality.
Styling & Performance Upgrades
Transform your Audi S3 8Y with a range of bespoke styling and performance upgrades:
- Bodykits: Sleek, aerodynamic designs to enhance your car’s aesthetics
- Big Brake Kits: High-performance braking systems for improved safety and control
- Suspension Upgrades: Coilovers and performance springs for better handling and ride comfort
Our upgrades seamlessly combine style and functionality to ensure your Audi S3 8Y stands out on the road.
Looking for More Power?
For enthusiasts seeking maximum performance up to 550HP, we offer custom Stage 3 Tuning Packages for the Audi S3 8Y. These bespoke solutions are designed to deliver unmatched power and are tailored to your specific requirements. Contact us today to discuss your Stage 3 options.
Frequently Asked Questions (FAQs) about Audi S3 8Y Tuning
1. What is the power gain from Stage 1 tuning for the Audi S3 8Y?
Stage 1 tuning increases the Audi S3 8Y’s power to 370HP, with torque improving to 480Nm.
2. Do I need additional hardware for Stage 1 tuning?
No, Stage 1 tuning works seamlessly with your car’s stock hardware. However, Onyx Stage 1 Gearbox Software and a Spark Plug and Ignition Coil Upgrade are recommended for optimal performance.
3. What modifications are required for Stage 2 tuning?
Stage 2 tuning requires a decat downpipe or high-flow sports catalyst, a cat-back exhaust (optional), an upgraded air filter, a larger intercooler, Spark Plugs and Ignition Coil Upgrade, and Onyx Stage 2 Gearbox Software.
4. Where is Onyx Performance located?
We are based in Slough, Berkshire, just outside West London, making us easily accessible for customers in London and the surrounding areas.
5. Do you offer a warranty on remapping?
Yes, all our remapping services come with a warranty to ensure peace of mind.
6. Can I revert to stock settings if needed?
Yes, we can return your ECU to its original settings upon request.
7. Do you offer finance options for tuning?
Yes, we provide flexible finance options, allowing you to spread the cost over 4 monthly payments.
8. What exhaust brands do you offer for the Audi S3?
We are authorised dealers for Scorpion, Milltek, Cobra, and Quicksilver exhaust systems.
9. Can you perform diagnostics and general maintenance on the Audi S3?
Yes, we offer comprehensive diagnostics, servicing, and maintenance for the Audi S3 8Y.
10. Do you offer Stage 3 tuning for the Audi S3?
Yes, we offer bespoke Stage 3 tuning packages. Contact us to discuss your specific needs.
What Our Customers Say
“The Stage 1 tuning and gearbox software upgrade have completely transformed my Audi S3 8Y. The car feels faster, smoother, and more responsive. Excellent service from Onyx Performance!”
– Nathan K., Oxford
“I went for the Stage 2 tuning with exhaust and ignition upgrades, and it’s unbelievable how much power my Audi S3 now delivers. The team at Onyx was professional and explained every step of the process. Highly recommend!”
– Sophie T., Windsor
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, and upgrades for the Audi S3 8Y and other high-performance vehicles. With years of expertise and a passion for precision, we tailor our solutions to meet your exact needs. Based in Slough, just outside West London, we are your go-to destination for enhancing your Audi S3.
Flexible Finance Options
Spread the cost of your Audi S3 8Y remapping, upgrades, and maintenance with our simple and flexible finance plans, available over 4 monthly payments. All prices include VAT.
Contact Onyx Performance
Transform your Audi S3 8Y today with Onyx Performance. Whether you’re looking for Stage 1 or Stage 2 remapping, exhaust upgrades, or comprehensive servicing and styling, our experts are here to help.
Call us now to book your tuning service or visit our workshop near West London to see how we can transform your Audi S3 8Y.
Tags:
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- Audi S3 8Y Stage 2 tuning with gearbox software
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- Exhaust systems for Audi S3
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- Big brake kits for Audi S3
