Our services

At MuleMapping, we’re your one-stop solution for all light vehicles, offering a comprehensive range of car tuning services designed to optimise performance, efficiency, and driving experience. From ECU remapping to custom tuning solutions, every service is tailored to your vehicle’s unique specifications and driving style.

 

We specialise in engine optimisation, ensuring you achieve the maximum power output at the safest levels from your standard engine. For those seeking even greater performance, we also provide Stage 2 and Stage 3 tuning options, available through our Bronze, Silver, and Gold packages — delivering high-quality, affordable tuning solutions to suit every goal and budget.

Ecu remapping

ECU remapping, also known as engine remapping, is the process of modifying the software within a vehicle’s Electronic Control Unit (ECU) to change how the engine performs. The ECU manages key parameters such as fuel injection, turbo boost pressure, ignition timing, and throttle response. From the factory, manufacturers set these parameters conservatively to ensure reliability, compliance with emissions regulations, and compatibility with varying fuel qualities. By updating the ECU with a new “map,” specialists can optimize these settings to unlock additional power, torque, and sharper throttle response—often achieving 10–30% performance gains on turbocharged engines. In some cases, remapping can also improve fuel efficiency if tuned for economy rather than power. However, the process carries certain risks, including increased engine wear, potential warranty voidance, and possible non-compliance with emissions standards. Poorly executed remaps can even cause engine damage or reduced reliability. Different tuning levels, often referred to as Stage 1, Stage 2, and so on, indicate how aggressively the engine has been modified and how much supporting hardware (like upgraded exhausts or intercoolers) is required.

Custom tuning

Experience the perfect balance of performance and reliability with our custom tuning solutions. Each tune is expertly crafted to suit your unique vehicle and driving style, maximizing power without compromising longevity. We’re passionate about your satisfaction and dedicated to keeping your car performing at its best—today and for the miles ahead.

Performance upgrades

Our performance packages are designed to suit all levels of tuning, offering Bronze, Silver, and Gold options depending on your goals and budget. The Bronze Package provides a custom Stage 1 tune tailored to your vehicle, allowing you to choose between improved fuel economy, increased power, or a balanced combination of both — all without the need for hardware changes. The Silver Package includes a Stage 2 tune, which can be software-only or combined with hardware upgrades such as a sports de-cat or high-flow cat exhaust, an upgraded intercooler, and a performance air intake system. These components are available in different variants to match your budget, and we can recommend the best setup once we discuss your price range. For those seeking maximum performance, the Gold Package offers a Stage 3 tune that builds upon the Stage 2 setup with major upgrades such as a larger turbocharger and high- or low-pressure fuel pumps. In some vehicles, only a turbo upgrade is required if the fuel system is already capable of supporting the increased airflow. Whether you’re after better efficiency, stronger performance, or a complete transformation, we can tailor each package to deliver the results you want.

Mulemapping

At MuleMapping, we use only the best, top-of-the-range remapping and diagnostic equipment before every map. A full diagnostics test will be carried out on your vehicle to ensure it meets the required standards for a remap.

If the vehicle shows any faults or issues, unfortunately, we will not be able to provide any remapping services. In such cases, we’ll clearly explain the reasons why the remap cannot be carried out and offer advice on the next steps to get your vehicle ready.

Crafting performance, one map at a time

At MuleMapping, we’re driven by a passion for automotive excellence and a commitment to delivering exceptional car tuning services in Shepton Mallet and across the South West of England — reaching as far as Gloucester.
Explore our website to discover how we can transform your driving experience.

"Mulemapping transformed my car! The performance increase is incredible. Highly recommend their expert tuning services!"

James Smith