Burger Motorsports JB4 Plug & Play Piggyback ECU Tuning Box for Alfa Romeo Giulia/Stelvio Quadrifoglio 2.9 Twin Turbo (2017+)
Burger Motorsports JB4 Plug & Play Piggyback ECU Tuning Box for Alfa Romeo Giulia/Stelvio Quadrifoglio 2.9 Twin Turbo (2017+)
Burger Motorsports JB4 Plug & Play Piggyback ECU Tuning Box for Alfa Romeo Giulia/Stelvio Quadrifoglio 2.9 Twin Turbo (2017+)
Burger Motorsports JB4 Plug & Play Piggyback ECU Tuning Box for Alfa Romeo Giulia/Stelvio Quadrifoglio 2.9 Twin Turbo (2017+)
Burger Motorsports JB4 Plug & Play Piggyback ECU Tuning Box for Alfa Romeo Giulia/Stelvio Quadrifoglio 2.9 Twin Turbo (2017+)
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  • Load image into Gallery viewer, Burger Motorsports JB4 Plug & Play Piggyback ECU Tuning Box for Alfa Romeo Giulia/Stelvio Quadrifoglio 2.9 Twin Turbo (2017+)

Burger Motorsports JB4 Plug & Play Piggyback ECU Tuning Box for Alfa Romeo Giulia/Stelvio Quadrifoglio 2.9 Twin Turbo (2017+)

£778.70
£778.70
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Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.

Unlock serious performance from your Alfa Romeo Quadrifoglio with the Burger Motorsports JB4. Designed for the 2017+ Giulia Quadrifoglio and Stelvio Quadrifoglio 2.9 twin turbo, this advanced plug and play tuning box delivers powerful gains without an ECU flash and works with locked ECUs. Expect up to 80hp on a stock car running pump fuel, with even greater potential when paired with supporting modifications, higher octane or upgraded turbos.

  • No ECU flash required and compatible with locked ECUs for a hassle-free, reversible install
  • Up to 80hp gains on a stock vehicle on pump fuel, with scope for more on enhanced setups
  • Wireless control via the optional JB4 PRO Bluetooth adapter and smartphone app for iOS and Android, enabling on-the-fly map switching, data logging and firmware updates
  • Boost by gear for improved traction, progressive water/methanol support and built-in code reading
  • Preloaded with multiple maps including ethanol E85 compatible tuning, plus CANbus OBDII integration for smooth, factory-like drivability
  • Not VIN locked, easily removed and resold, and housed in a rugged billet aluminium enclosure

Vehicle fitment

  • 2017+ Alfa Romeo Giulia Quadrifoglio 2.9 twin turbo
  • 2017+ Alfa Romeo Stelvio Quadrifoglio 2.9 twin turbo

Nforcd knows the JB4 inside out and it has been a popular choice with our Alfa Quadrifoglio customers looking for a proven, upgradeable tuning solution that retains factory safeguards. Optional JB4 PRO Bluetooth connectivity fits neatly inside the enclosure for improved weather protection and a clean install.

Ready to transform your QV? Order your JB4 from Nforcd today. Professional fitting is available at Nforcd in Warwickshire; request a quote at Sales@nforcd.com.