Front Splitters, Side Skirts, Rear Diffusers & Spoilers Fitted Professionally

Front Splitters, Side Skirts Professionally

Upgrade your car’s style and performance with our professional fitting service in Slough for front splitters, side skirts, rear diffusers, and spoilers. We work with luxury, performance, and prestige vehicles, ensuring every part is fitted with precision for a flawless finish.

Whether you’re aiming for a sportier, more aggressive look or a subtle aerodynamic upgrade, our skilled technicians use industry-leading tools and techniques to deliver outstanding results. Every installation is carried out with attention to detail so your car not only looks better but also maintains its balance and handling.

Based right here in Slough, we are trusted by local car owners who want quality, reliability, and a premium finish. From Range Rovers to BMW M-series, Audi RS models, and Mercedes AMG cars, we provide a service tailored to your specific make and model.

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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Enhance Your Car’s Aerodynamics and Style in Slough

Give your vehicle a sharper edge with our expert fitting of splitters, skirts, diffusers, and spoilers. Whether it’s for improved downforce, enhanced road presence, or just a clean, customised look, our team ensures your parts are fitted securely, seamlessly, and professionally. Contact us today for a free consultation, transparent pricing, and fast turnaround from Slough’s trusted automotive styling specialists.

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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

Do you fit aftermarket as well as OEM splitters, skirts, and spoilers?

Yes — we fit OEM body parts as well as high-quality aftermarket upgrades, always ensuring a secure and professional installation.

How long does it take to fit a splitter or spoiler?

Smaller parts such as front splitters or boot spoilers can often be fitted in just a few hours. Larger kits like side skirts and diffusers may take longer depending on complexity.

Can you colour-match my new parts to my car?

Absolutely. We offer paint-matching services to ensure your new parts blend perfectly with your vehicle’s original finish.

Will a splitter or diffuser affect my car’s performance?

Yes — when fitted properly, these parts can improve aerodynamics, reduce lift, and enhance stability at speed.

Do you only work on luxury cars in Slough?

While we specialise in luxury and performance cars, we also fit parts for a wide range of vehicles. Every installation is handled with the same level of care and precision.

How much does fitting a spoiler or diffuser cost in Slough?

Prices vary depending on the part and vehicle. Simple spoiler installations start from around £150, while larger kits may cost more. Contact us for a personalised quote.

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