McLaren JB4 Performance Tuner for M838T Engines (BETA)

McLaren JB4 Features and Benefits • Improves 0-60 times and 1/4 mile times• The JB4 offers a lot more performance, functionality, and safety than your average performance chip• Quick Plug & Play Installation• Includes the rugged JB4 billet aluminum enclosure for protection• CANbus OBDII integration offering unrivaled tuning features and performance• Improved performance over non-integrated chip tunes• Runs as smoothly as stock, this is how your vehicle should have come from the factory• Compatible with all driving modes• Fuel economy unchanged during normal driving• Compatible with JB4 Mobile for smartphone logging, tuning changes, and adjustment• 91 octane fuel or better required for performance gains• Ethanol (E85) compatible tuning maps• Able to read/delete fault codes• Not VIN locked and can be removed without a trace and resold down the road• Made in the USA• Free USA Shipping• 5 year warranty APPLICATIONS McLaren•  all M838T engine variants, MP412C,570s,570GT,600LT,650S, and more.