‼️Welcome to JAF Performance ‼️

Ireland’s Advanced Petrol & Diesel Tuning Specialists ⭐️⭐️⭐️⭐️⭐️

At JAF Performance, we don’t just tune cars — we transform them. Whether you want more power, better fuel economy, or solutions to annoying engine management issues, you’re in the right place.

Software Solutions That Save You Money
DPF or EGR problems? AdBlue issues?We provide professional software removal that eliminates the constant headaches and expensive repair bills — helping you keep more money in your pocket.

Performance Remapping
From Stage 1 to Stage 3, we custom-tune every vehicle for safe, reliable, maximum results. No generic files — just real, measurable gains tailored to your car.

Eco Tuning
Want more MPG? Our eco-tunes optimise your petrol or diesel engine for better efficiency and smoother driving, saving you fuel on every trip.

Advanced ECU Services
Speed limiter removal, ECU cloning, swirl flap delete, DTC removal, hardcut limiters, popcorn limiters, launch control, smoke maps, torque monitoring removal — whatever your project needs, we have the tools to do it right.

Professional Tools, Professional Results
We use five different genuine remapping tools, the latest software licences, and advanced diagnostic equipment to ensure every job is completed to the highest standard.

Carbon Cleaning That Actually Works
Our carbon cleaning system restores lost power, improves fuel efficiency, and extends engine life — cleaning your turbo, injectors, DPF, EGR, throttle body, intercooler and more.

  • Ireland’s Premier Dyno Experience — Precision. Power. Performance.

    At JAF Performance, we’re proud to operate one of the most advanced dyno/rolling road facilities in Ireland and the UK. Our state-of-the-art Dyno Developments system is built for serious performance:
    155+ MPH, 1000+ BHP, and engineered to handle everything from FWD and RWD to high-performance sports cars and hardcore track builds.
    We chose this dyno for one reason: accuracy you can trust. With industry-leading repeatability, absolute reliability, and the latest digital control system from Sports Device—widely regarded as one of the best dyno software platforms available—our customers get data they can genuinely rely on.

    Built with heavy-duty steel construction, zinc-plated knurled rollers, and a massive 4200Nm eddy brake, our dyno allows for:

    • Acceleration, step, sweep & steady-state testing
    • Live torque & horsepower readings
    • Instant evaluation of timing/fuel map changes
    • Drivetrain diagnostics & drivability troubleshooting
    • Road and track simulation

    It’s fully equipped with bi-directional rollers (perfect for both FWD & RWD), dual high-output cooling fans, and extended load-testing capability.
    All of this sits inside our custom-built sound-proofed dyno cell, complete with a modern cooling and extraction system—ensuring your car performs safely and consistently at its absolute best.

    JAF Performance — where power meets precision.

  • WHAT WE CAN DO?Cars Vans Up to 35% more Power Turbodiesel Up to 30% more Power Turbo Petrol Up to 10% NON-TURBO ENGINES U to 20% Saving on fuel (Eco Remapping)

  • vehicle styling 
    Start to finish on all vehicle styling 
    Lights, bodykits, exhaust systems, suspension, engine modifications, alloys, electrical, security, sound systems, lights conversion, neons, coding, Grills, splitters, intercoolers, coilovers, Brake upgrades,Servicing, General Maintanance

  • AutoCare & Detailing

    ‼️Massive Stock Of Autocare Products & accessories ‼️

    🫧Our Autocare Range 🫧