JB4 Tuner for 2018+ Lexus LS 500 3.5L Twin Turbo - Burger Tuning Select:JB4PRO Adapter (Uses Free JB4PRO App) These install into the post-catalyst

These install into the post-catalyst O2 sensor bungs

For drivers seeking the coolest possible intake temperatures and maximum power

Stop Guessing

The ARM S55 Charge Pipes are coated in a black wrinkle finish for a classy yet durable look

• No impact on fuel economy during normal driving

JB4 Tuner for 2018+ Lexus LS 500 3.5L Twin Turbo - Burger Tuning Select:JB4PRO Adapter (Uses Free JB4PRO App) These install into the post-catalystPower 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 2018 Present Lexus LS 500 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. The JB4 features a simple