JB4 Tuner for 2018+ Jeep Wrangler & Cherokee 2.0L Turbo - Burger TuningPower gains of up to 40hp to the wheels on a stock Jeep! The JB4 is the most advanced and highly featured tuning system for your 2018+ Jeep Wrangler Cherokee 2. 0L 4 cylinder Turbo. Power gains are up to 40hp to the wheels (55hp crank) on a completely stock car on pump gas. Gains with bolt on parts, higher octane, and larger turbos are even higher. Now includes the JB4PRO adapter and free app built in! The JB4 features a simple plug and play
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