JB4 Tuner for 2022+ Subaru WRX 2.4L & 2019+ Ascent, Legacy, & Outback 2.4L - Burger Tuning Select:JB4PRO Adapter (Uses Free JB4PRO App) The rear section then connects

The rear section then connects to the OEM axle back section of the exhaust using slip-fit connections which allow you to retain the OEM rear mufflers and valves

ensuring your vehicle meets the demands of higher power outputs

Upgrade your ARM N63 Intake with the optional Front Facing Upgrade

0 T engine

Bluetooth (iPhone or Android app must be purchased to use this feature)

JB4 Tuner for 2022+ Subaru WRX 2.4L & 2019+ Ascent, Legacy, & Outback 2.4L - Burger Tuning Select:JB4PRO Adapter (Uses Free JB4PRO App) The rear section then connectsPower gains of up to 50hp to the wheels on a stock vehicle The JB4 is the most advanced and highly featured tuning system for your Subaru 2. 4L 4 cylinder turbo. Power gains are up to 50hp to the wheels (70hp crank) on a completely stock car on pump gas, and 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