15+ Years Experience | 1200HP Rolling Road | Family-Run Business | Dealer-Level Diagnostics
Performance Tuning Specialists in Shropshire
At CG Remaps, we specialise in ECU remapping, engine diagnostics, and rolling road tuning for petrol and diesel vehicles.
Based in Market Drayton, we work with customers across Telford, Shrewsbury, Stafford, Stoke-on-Trent, and surrounding areas, delivering safe, reliable performance upgrades using industry-leading tools and dyno testing.
Whether you’re looking for more power, better fuel economy, or smoother driving, our custom tuning solutions are tailored to your vehicle.
✔ Increase power & torque
✔ Improve fuel efficiency
✔ Dyno-tested tuning
✔ Safe, reliable upgrades
✔ Suitable for most vehicles
Search Your Performance Gains
Please note: that our vehicle gain lookup is based on a general database utilised by multiple tuning sites. This serves as a rough estimate of your vehicle’s potential. However, the gains displayed may often be understated compared to what we can actually achieve, particularly for the vehicles we specialise in. For a more precise understanding of power gains, we encourage you to explore our ECU Remapping Results or Facebook page linked on our website to view examples of previous tunings or to reach out to us directly for personalised assistance.
What Our Customers Have To Say
Available Online Payment Methods
Our Performance Tuning Services
ECU Mapping
Custom ECU remapping designed to increase performance, improve throttle response, and optimise fuel efficiency.
Engine Diagnostics
Advanced fault finding using dealer-level diagnostic tools to identify and resolve issues quickly.
Rolling Road Dyno
1200HP rolling road for accurate power testing, tuning, and performance development.
ECU Remapping Services in Shropshire
Our ECU remapping service optimises your vehicle’s software to deliver noticeable improvements in performance and efficiency.
We provide:
- Stage 1 remaps
- Custom dyno tuning
- Petrol & diesel remapping
- OBD tuning (Bootmod3 & MG Flasher)
Every remap is carried out with precision, ensuring safe and reliable gains without compromising engine longevity.
Engine Diagnostics & Fault Finding
We use advanced diagnostic tools to quickly identify issues and restore your vehicle’s performance.
We diagnose:
- Engine warning lights
- DPF & EGR issues
- AdBlue faults
- Sensor and ECU faults
Rolling Road Dyno Testing
Our 1200HP 2WD rolling road allows us to accurately measure and optimise your vehicle’s performance.
Perfect for:
- Before & after comparisons
- Custom tuning
- Performance diagnostics
- Trade & enthusiast dyno sessions
Areas We Cover
Based in Market Drayton, we provide ECU remapping and performance tuning across:
Telford, Shrewsbury, Stafford, Stoke-on-Trent, Newport, Nantwich, Whitchurch, Newcastle-under-Lyme and surrounding areas.
If you’re looking for ECU remapping near you, CG Remaps offers professional, reliable tuning services across the region.
Why Choose CG Remaps?
✔ 15+ years experience
✔ Family-run business
✔ Custom dyno-tested tuning
✔ Dealer-level diagnostics
✔ Trusted across Shropshire & Staffordshire
Frequently Asked Questions
What is ECU remapping?
ECU remapping adjusts your vehicle’s engine software to improve power, torque, and efficiency.
Is ECU remapping safe?
Yes, when carried out professionally using safe parameters and dyno testing, remapping is safe for most vehicles.
How much power can I gain?
Depending on your vehicle, gains can be significant, improving both performance and drivability. Our gain calculator can give you an idea of the improvements for your specific make & model
Do you remap petrol and diesel vehicles?
Yes, we provide tuning solutions for both petrol and diesel engines.
Do I need diagnostics before a remap?
We recommend diagnostics to ensure your vehicle is in good condition before tuning.
Should I need to inform my insurance company I have had a remap done on my vehicle?
Yes — you should inform your insurance company if your vehicle has been remapped.
An ECU remap is classed as a vehicle modification because it changes:
- Engine performance (power & torque)
- Sometimes fuel efficiency
- The risk profile of the vehicle