Get your car booked in for a Engine & Gearbox Oil Service
We carry out engine and gearbox servicing using genuine OEM parts.
We offer engine modifications including turbo, intercooler, exhaust and induction upgrades.
All of our software is developed on our state of the art Rolling Road.
Onyx Performance is an advanced tuning company based in Slough, West of London offering custom ECU tuning and Performance Modifications.
Unleashing the true potential of a vehicle, depending on customer requirements this could be simply to extract as much performance as possible or to generate the most amount of fuel efficiency.
4WD 1500hp Rolling Road
We have a state of the art 1500hp 4WD dyno with full engine analysis capabilities to ensure our developments are providing you with the best power gains on the market whilst maintaining optimum reliability for your engine via our live ECU Remapping service.
Would you like to find out what your car is pushing? Good, we also offer power runs on our dyno.
Vehicle Modifications
We offer performance modifications including Performance Exhaust systems, Turbo upgrades, Intercooler upgrades, Induction kits, Uprated Clutch kits, Performance Brake kits, Suspension, Bushes, HID Light kits and the list goes on, being innovators of performance tuning we work with the top aftermarket part suppliers.
Servicing and Specialist Services
Onyx Performance is not just a performance house but we also offer Engine and Gearbox Servicing, Engine Carbon Cleaning, Boost Leak Smoke Test, Mileage Blockers, Window Tinting & Chameleon Windscreen Tinting.
We will update the Digital Service History for most brands within the VAG group.
DPF & Adblue Solution
We have a vast amount of experience with the often miss understood emission systems on modern diesel vehicles and can offer a wide range of services depending on the customers’ requirements. We offer a professional cost effective solution to fix any DPF or Adblue issues.
Check out our online shop for tuning packages and much more.
Onyx Performance - 4WD Dyno Runs near me - Engine Carbon Clean - Engine Servicing - Performance Exhaust Systems
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Head on over to our services page / drop down list to see a full list of the services we offer.
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01753 439321