Group 14: JB4 for Audi and others B8/8.5 EA888 Gen2
Group 14: JB4 for Audi and others B8/8.5 EA888 Gen2
Group 14: JB4 for Audi and others B8/8.5 EA888 Gen2
Group 14: JB4 for Audi and others B8/8.5 EA888 Gen2
Group 14: JB4 for Audi and others B8/8.5 EA888 Gen2
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Group 14: JB4 for Audi and others B8/8.5 EA888 Gen2

Regular price
£622.70
Sale price
£622.70
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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 responsive, repeatable power from your Audi 2.0 TFSI EA888 Gen 2 with the JB4 Group 14 tuning box from Nforcd. This smart, plug and play piggyback integrates via CANbus for precise control and advanced safety, delivering a true adjustable upgrade without an ECU flash.

On a stock vehicle, typical gains start from around 28whp and 50 ft lb, with peak increases of up to 40whp in certain rpm ranges.

  • Plug and play tuning box with CANbus integration, direct AFR control and built-in safety for boost, air fuel ratio, fuel trims and knock.
  • Preloaded with multiple maps for different fuels and bolt-ons, including ethanol E85 compatible options.
  • Boost by gear for improved traction and launches, compatible with all driving modes.
  • Optional JB4 PRO Bluetooth adapter enables iOS and Android app control for live logging, map switching, fault code read and delete, and firmware updates.
  • Integrated water methanol control, plus the ability to view and record up to 40 engine parameters in real time.
  • Not VIN locked, easily removable, smooth OEM-like drivability with economy unchanged during normal driving. Includes a rugged billet aluminium enclosure. Designed and assembled in the USA with a 5 year warranty. 91 octane fuel or better required.

Vehicle compatibility

  • 2008 to 2015 Audi A4 B8 and B8.5 2.0 TFSI EA888 Gen 2
  • 2008 to 2015 Audi A5 B8 and B8.5 2.0 TFSI EA888 Gen 2
  • 2008 to 2015 Audi Q3 2.0 TFSI EA888 Gen 2
  • 2008 to 2015 Audi Q5 2.0 TFSI EA888 Gen 2

Nforcd knows the JB4 platform inside out and it has proven popular with our Audi customers seeking a fast, reversible performance upgrade. Order today or contact us if you are unsure on compatibility or app options. Professional fitting is available at Nforcd in Warwickshire. To request a fitting quote, email Sales@nforcd.com.