JB4 Tuner for 2022+ Lexus LX 600 & 2024+ GX 550 3.5L Twin Turbo - Burger TuningPower gains of up to 75hp on a stock vehicle without the risks of flashing! Now includes the JB4PRO adapter and free app built in! The JB4 is the most advanced and highly featured tuning system available for your 2022 Present Lexus LX 600 3. 5L. Power gains are up to 60hp to the wheels (75hp crank) on a completely stock car on pump gas, gains with bolt on parts, higher octane, E85 mixtures, and larger turbos are even higher. No ECU flash needed and
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