Wholesale Burger Motorsports JB4 Tuner 2022-2024 WRX / 2019-2024 Ascent / 2020-2024 Legacy / 2020-2024 Outback XT

The JB4 is the most advanced and highly featured tuning system available for your 2022+ Subaru WRX 2.4L 4 cylinder turbo. Power gains are up to 50hp to the wheels (70hp crank) on a completely stock car on pump gas, gains with ethanol mixtures and bolt-on parts are even higher.
The JB4 features a simple plug & play installation harness for easy installation & removal and includes many features not found with any other tune. Including on the fly map switching from your phone/tablet instead between factory and various performance maps, boost limiting by gear for improved traction in lower gears, progressive water/methanol support, built-in data logging, built-in code reading, and much more.