filter smart.
find your vehicle's potential
At Filter Smart, we are performance remapping specialists based in Mochdre, North Wales, providing professional ECU tuning services for cars, vans, trucks, and boats. If your vehicle has an engine ECU, we can optimise its settings to deliver increased power, sharper throttle response, and improved fuel economy for diesel vehicles.
We pride ourselves on offering a first-class service that delivers excellent value for money. Every tuning calibration we provide has been thoroughly dyno tested to ensure safe, reliable, and effective results.
Our carefully developed remaps are designed to achieve the perfect balance of performance, economy, and reliability, while always remaining within safe operating limits for your engine. This gives you complete peace of mind that your vehicle will continue to perform at its best for many years to come.
our services
specialized technical solutions for high-performance vehicle maintenance and efficiency.
DPF / EGR Solutions
Our DPF solutions involve cleaning or replacing the filter.
EGR (Exhaust Gas Recirculation) systems are also crucial for reducing emissions, but they can cause issues such as reduced power and increased fuel consumption. Our EGR solutions will restore full function and optimise engine performance
adblue Solutions
The AdBlue system does not affect the running or performance of the engine itself, it purely exists for emissions control reasons.
We can repair, replace or remove your vehicle's AdBlue system at a fraction of the cost of main dealer prices. Main dealers often have long delays for backorder parts, which generally don't affect us.
Performance Remapping
Our Stage 1 performance remaps are designed to safely enhance your vehicle’s original software while maintaining manufacturer reliability and service intervals.
Enjoy improved throttle response, smoother power delivery, and on diesel vehicles, the potential for improved fuel economy with careful driving.
DTC Removal
DTC stands for Diagnostic Trouble Codes. These codes are generated by the vehicle’s ECU when a sensor or component operates outside of its expected parameters, usually triggering a warning light on the dashboard.
There are many reasons why a fault code may appear, and these codes play an important role in vehicle diagnostics. When a component is removed or electronically disabled, the associated DTCs must also be correctly disabled to prevent warning lights and fault messages from appearing.
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Eco Remapping
Our economy remaps improve engine efficiency, helping reduce fuel consumption while maintaining smooth performance.
Most diesel vehicles see fuel savings of around 8–10%, with even greater benefits possible through careful driving — making them ideal for fleet vehicles too.
Llandudno
Colwyn Bay
Conwy
Llandudno Junction
Rhps-On-Sea
Area's We Cover
Abergele
Rhyl
Bangor
Llanrwst
Caernarfon
St Asaph
Mold
Wrexham
Flint
Denbigh
Engine Performance & Efficiency
Real results from our technical expertise in DPF cleaning and engine remapping.
"Thanks to the DPF and EGR solutions provided by Filter Smart, my vehicle is running cleaner and more efficiently than ever. The team were professional and knowledgeable throughout the process."
— Jamie Cosgrove
"Great service from the team at Filter Smart. They provided a remap tailored to my needs, and the car now runs better than ever — I’m really pleased with the results."
— Frankie Hughes
"I had my 3 Series remapped by PSI Performance and noticed an immediate improvement in both power and smoothness. Fantastic results and a great service — highly recommended."
— Mike Jones
100% Efficiency • Custom Remapping • DPF Experts • AdBlue Solutions • Performance Optimization • Engine Tuning • Smart Solutions for Cleaner Engines • 100% Efficiency • Custom Remapping • DPF Experts • AdBlue Solutions • Performance Optimization • Engine Tuning • Smart Solutions for Cleaner Engines