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Performance-car specialists in West Wales

West Wales follows the Visit Wales grouping of Carmarthenshire, Pembrokeshire, Swansea and Neath Port Talbot. This page currently includes specialists based in or around these areas. Confirm exact services, model support and coverage directly before booking.

Regional listings

Providers in or serving this region

Coverage descriptions are based on supplier websites where available. Confirm the exact postcode and whether a workshop visit or mobile appointment is possible.

5 listings

RTEC Garage

Gorseinon, Swansea
ServicingRepairsDiagnosticsPerformance upgradesPorsche

German-car specialist offering servicing, repairs and diagnostics. Its public website identifies Volkswagen, Porsche, Audi, BMW and Mercedes as makes it specialises in, and discusses servicing performance vehicles.

Public website reviewed; contact the provider to confirm the exact model, work and service area.
Directory profile →Supplier website ↗Call 01792 897 575Email supplier

EC Performance

Gwaun-Cae-Gurwen, near Ammanford
Tuning & remappingRolling road / dynoDiagnosticsPerformance upgrades

Workshop near Ammanford offering remapping, performance tuning and rolling-road dyno sessions. Its website says it uses a four-wheel-drive dyno and serves customers across South Wales and beyond.

Public website reviewed; contact the provider to confirm the exact model, work and service area.
Directory profile →Supplier website ↗Call 01792 732 062Email supplier

Too Fast To Race / S Rogers Engineering

Dryslwyn, Carmarthenshire, West Wales
Geometry & alignmentSuspension / chassis workMotorsport / track prepCaterhamLotusArielTVR

Performance-suspension and vehicle-dynamics engineering. The public site describes damper technology, chassis setup, geometry optimisation and development work for lightweight sports cars including Caterham, Lotus, Ariel, TVR and Alpine.

Public website reviewed; contact the provider to confirm the exact model, work and service area.
Directory profile →Supplier website ↗

AGM Power Ltd

St Clears, Carmarthenshire, West Wales
BMW MPorscheServicingRepairsDiagnosticsPerformance upgrades

BMW and Porsche specialists in St Clears, including work on BMW M models. The company’s official website describes servicing, repairs, diagnostics and tailored performance upgrades. Ask AGM to confirm support for your exact model and requested work.

Official supplier website checked 14 October 2026. Listing is not a paid placement or endorsement; current services and details should be confirmed directly.
Directory profile →Supplier website ↗Call 07782 105007Email supplier

Useful service categories

Illustrative performance-car workshop and engine inspection

Specialist service

Performance Servicing & Repairs

Specialist maintenance, diagnostics and repairs

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Illustrative performance car on a rolling-road dynamometer

Specialist service

Tuning, ECU Remapping & Dyno

Calibration, rolling-road testing and performance upgrades

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Illustrative installer applying paint protection film to a sports car

Specialist service

Wrapping, PPF & Window Tint

Colour-change wraps and paint protection film

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