Book a Dyno Power Run

Book a Dyno Power Run – Instant Online Booking Form

Book a Dyno Power Run

Get your car’s true power and torque figures measured with our professional dyno power runs in Slough. Whether you drive a performance car, supercar, modified vehicle, or daily driver, our advanced 2WD and 4WD rolling road provides accurate and reliable results every time.

Our dyno testing service is ideal for drivers who want to check performance gains after tuning or upgrades, measure before and after ECU remaps, or simply see how much power their car is really producing. Each run comes with a detailed printout of horsepower, torque, and AFR readings so you can fully understand your vehicle’s performance.

With our instant online booking system, you can quickly schedule a dyno session at our Slough-based facility. No long waiting times — just fast, accurate power testing carried out by experienced technicians who understand high-performance and modified cars.

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Why Choose Onyx Performance?

As Seen on Carwow

We’ve been proudly featured on Carwow – a testament to the quality, professionalism, and performance-focused results that set us apart. Watch our feature here to see us in action.

Expertise You Can Trust

With years of experience and deep technical knowledge, our team understands performance vehicles inside and out – from custom remaps to high-end servicing.

Advanced Workshop & Tools

We operate from a state-of-the-art facility in Slough, equipped with cutting-edge diagnostics, dyno testing, and industry-leading tools for accurate, high-quality work.

Tailored Solutions for Every Vehicle

We don’t believe in one-size-fits-all. Every car gets a bespoke approach, ensuring the best results whether it’s a remap, upgrade, or routine service.

Trusted Nationwide

Performance enthusiasts from across the UK come to Onyx because they know they’ll receive premium-quality workmanship, careful attention to detail, and honest advice.

Complete Care, All in One Place

From tuning and servicing to tyres, trackers, and immobilisers – we offer a full suite of services under one roof, all with a strong focus on safety, reliability, and top-tier customer support.

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Book Your Dyno Power Run in Slough Today

Use our instant online booking form to secure your dyno session. Get accurate power and torque measurements, printed results, and expert advice from our technicians. Whether it’s for performance validation, tuning preparation, or club dyno days, we’ve got you covered.

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Why Choose Onyx Performance for Servicing?

Experts in Performance Cars

We know how to properly care for performance, modified, and luxury vehicles. Our team has the skills and experience to handle specialist requirements confidently.

Correct Service Schedules

Every service follows the exact schedule recommended by your vehicle’s manufacturer, helping maintain performance and protect your warranty.

Quality or OEM Parts

We only use high-quality aftermarket or original manufacturer parts, ensuring long-lasting reliability and top-level performance.

Full Vehicle Inspection

Our service goes beyond just changing oil. We inspect all key systems to keep your car safe, smooth, and road-ready.

Honest Advice, No Surprises

With transparent pricing and expert recommendations, you’ll always know what your car needs – no upselling, no hidden fees.

Fast, Trusted & Tracked

We offer quick turnaround, maintain service records, and send reminders – that’s why customers travel to us from across the UK.

Frequently Asked Questions

What is a dyno power run?

A dyno power run measures your car’s horsepower, torque, and AFR readings using a rolling road dynamometer, providing an accurate performance profile.

Do you support both 2WD and 4WD vehicles?

Yes, our dyno setup supports both 2WD and 4WD cars, including supercars, modified vehicles, and SUVs.

How long does a dyno power run take?

A typical dyno power run takes 20–30 minutes, including setup, calibration, and printout results.

Will I get a printout of the results?

Yes — after your dyno run, you’ll receive a detailed graph showing power and torque curves, plus AFR readings.

Is dyno testing safe for my car?

Absolutely. Our dyno is designed for safe, controlled testing, and all sessions are carried out by experienced technicians.

Do you offer dyno runs for car clubs or group bookings?

Yes — we host dyno days and group sessions for clubs, enthusiasts, and performance garages.

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