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Audi RS3 8P Remapping and Tuning

Price range: £0 through £1,795

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Audi RS3 8P (2.5 TFSI – 340HP) Remapping and Tuning

Unlock the full potential of your Audi RS3 8P (2.5 TFSI – 340HP) with Onyx Performance, based in Slough, Berkshire, just outside West London. Whether you’re new to tuning or aiming for peak performance, we offer expert remapping, servicing, and upgrades tailored specifically to your Audi RS3 8P.

Our bespoke tuning packages are designed to enhance power, torque, and drivability, transforming your RS3 8P into a high-performance machine.

We also offer tuning packages for RS3 8V & 8Y, please check our shop.


Audi RS3 8P Stage 1 & Stage 2 – Power Gains

Stage 1 – Power Gains:

  • Stock Power: 340HP / 450Nm
  • Stage 1 Remap: 420HP / 540Nm
  • Hardware Required: None

Our Stage 1 remap provides a significant boost in power and torque without requiring any hardware upgrades. Optimised ECU calibration delivers improved throttle response, sharper acceleration, and smoother drivability.

Stage 2 – Power Gains:

  • Stock Power: 340HP / 450Nm
  • Stage 2 Remap: Up to 450HP / 600Nm
  • Hardware Required:
    • Decat Downpipe or High-Flow Sports Catalyst
    • Upgraded Air Filter
    • Larger Intercooler
    • Onyx Stage 2 Gearbox Software
    • Spark Plug and Ignition Coil Upgrade (highly recommended for improved reliability and ignition performance under higher power loads)

Stage 2 tuning builds on Stage 1 with key hardware upgrades to enhance airflow, cooling, and ignition reliability, delivering dramatic improvements in power and torque.


Looking for Even More Power?

For enthusiasts aiming for ultimate performance, we offer Stage 3 tuning packages with hybrid turbo upgrades and supporting modifications. Stage 3 delivers exceptional power gains.

Contact us today to discuss Stage 3 options and customisations!


Why Choose Onyx Performance?

At Onyx Performance, we specialise in Audi RS3 8P tuning and provide a range of services to enhance your vehicle:

  • Rolling Road (Dyno) Testing for precise 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

Our expert team ensures your Audi RS3 8P achieves peak performance with reliability and precision.


Exhaust Upgrades for Your RS3 8P

Enhance the performance and sound of your Audi RS3 8P with premium exhaust solutions. We offer:

  • Decat Downpipes or High-Flow Sports Catalysts for improved exhaust flow
  • Cat-Back Exhaust Systems to enhance tone and reduce backpressure
  • Resonator Deletes for a sportier, aggressive exhaust note

Pairing an exhaust upgrade with our remapping ensures maximum power gains and an exhilarating sound profile.


Servicing and Maintenance for Audi RS3 8P

Maintaining your Audi RS3 8P is essential for ensuring its long-term reliability and performance. At Onyx Performance, we offer comprehensive servicing packages tailored to high-performance vehicles:

  • Routine Servicing: Oil changes, filter replacements, and genuine parts to ensure optimal operation
  • Brake Repairs and Upgrades: From OEM replacements to performance braking systems
  • Suspension Checks and Repairs: Maintaining smooth handling and ride comfort
  • Diagnostics and Fault Repairs: Advanced checks to identify and resolve potential issues before they escalate

With our expertise in Audi RS3 8P models, we deliver exceptional care to keep your vehicle performing at its best.


Styling & Performance Upgrades

Take your Audi RS3 8P to the next level with our bespoke styling and performance upgrades:

  • Bodykits: Aerodynamic and aggressive designs to enhance your car’s appearance
  • Suspension Upgrades: Coilovers and performance springs for improved handling
  • Big Brake Kits: High-performance braking systems for superior stopping power

Our upgrades are designed to ensure your RS3 8P stands out on the road while delivering unmatched performance.


Frequently Asked Questions (FAQs) about Audi RS3 8P Tuning

1. What are the power gains for Stage 1 tuning?
Stage 1 tuning increases the Audi RS3 8P’s power to 420HP and 540Nm, offering a significant boost without requiring hardware upgrades.

2. What are the power gains for Stage 2 tuning?
Stage 2 tuning delivers up to 450HP and 600Nm, with hardware upgrades enhancing airflow, cooling, and ignition performance.

3. What hardware is required for Stage 2 tuning?
Stage 2 tuning requires a decat downpipe or high-flow sports catalyst, upgraded air filter, larger intercooler, Onyx Stage 2 Gearbox Software, and upgraded spark plugs and ignition coils for optimal reliability.

4. Do you offer Stage 3 tuning?
Yes, we offer bespoke Stage 3 tuning packages for those seeking exceptional power gains. Contact us for more details.

5. Do you offer a warranty on remapping?
Yes, all our remapping services include a warranty to provide peace of mind.

6. Can I revert my car to stock settings if needed?
Yes, we can return your ECU to its original factory settings upon request.


What Our Customers Say

“The Stage 1 remap on my RS3 8P made a huge difference. The car feels much more responsive and exciting to drive. Highly recommend Onyx Performance!”
Tom H., London

“Stage 2 tuning completely transformed my RS3. The power, torque, and sound are incredible. Onyx Performance exceeded my expectations!”
Rich T., Newbury


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 RS3 8P, delivering tailored solutions to enhance performance, reliability, and sound. With years of expertise and a commitment to excellence, we help you unlock the full potential of your RS3 8P.


Flexible Finance Options

Spread the cost of your Audi RS3 8P remapping, upgrades, and maintenance with our flexible finance plans, available over 4 monthly payments. All prices include VAT.


Contact Onyx Performance

Transform your Audi RS3 8P today with Onyx Performance. Whether you’re looking for Stage 1 or Stage 2 remapping, exhaust upgrades, or styling solutions, our experts are ready to assist.

Call us now to book your tuning service or discuss Stage 3 options!


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Tags:

  • Audi RS3 8P tuning in Slough
  • Audi RS3 8P remapping near London
  • Stage 1 Audi RS3 8P remap
  • Audi RS3 8P Stage 2 tuning with hardware upgrades
  • Spark plugs and ignition coil upgrades for Audi RS3 8P
  • Stage 3 tuning for Audi RS3 8P
  • Audi RS3 8P exhaust upgrades
  • Servicing and maintenance for Audi RS3 8P
  • Big brake kits for Audi RS3 8P

Remap

Stage 1 (Software only), Stage 2 Engine & TCU Software with Decat Downpipe & Cone Induction Kit Fitted

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