Unlock serious, safe power from your 2019 onwards Chevrolet Silverado 2.7L Turbo with the JB4. Supplied by Nforcd in the UK, this plug and play piggyback tuning box connects to two accessible sensors in the engine bay and works alongside the factory ECU to optimise boost, timing and fuelling for sharper response and stronger performance. No ECU flashing required and the installation remains fully reversible.
- Proven gains of up to 85whp and 120wtq on a stock truck, with smooth factory-like driveability
- Advanced CANbus integration reads live ECU data for real-time tuning and refined power delivery
- Preloaded with up to 8 maps including 91 and 93 octane, factory, VALET, E85 blends and unleaded race gas
- Boost by gear to help manage traction on launch, plus compatibility with all driving modes including towing
- Read and clear fault codes, log performance data and switch maps; optional JB4 PRO Bluetooth adaptor enables wireless control and firmware updates via your smartphone
- Discreet plug and play fitment, not VIN-locked and removable without a trace; fuel economy unchanged during normal driving
- Compatible with both original and newer high-torque versions of the 2.7L Turbo engine
- Rugged billet aluminium JB4 enclosure; designed and assembled in the USA with a 5-year manufacturer warranty
Vehicle fitment: Chevrolet Silverado 2.7L Turbo 2019+. Optional harness extensions are available separately to simplify access to the lower MAP sensor during install and removal.
Nforcd knows the JB4 inside out and it has been a popular upgrade with our customers seeking an easy, reversible performance boost for their Chevy pickup. Order online today. Prefer professional installation? Fitting is available at Nforcd in Warwickshire. Request a quote via Sales@nforcd.com.