SX Customs
Convenient mobile ECU tuning across Essex and surrounding areas.
SX Customs service
SX Customs offers mobile remapping support across Essex, helping customers avoid unnecessary workshop visits.
Why choose us?
Advice based on your vehicle, engine, usage and goals.
Serving local drivers across Essex and surrounding areas.
Simple guidance before any tuning or diagnostic work begins.
Questions
Message with your postcode and vehicle details and we’ll confirm availability.
Vehicle registration, engine size and the service you’re interested in.
Ready to tune your vehicle?
Message us with your vehicle registration, engine size and what you want from the car. We’ll advise the best route.