McLaren JB4 Performance Tuner for M838T Engines (BETA) –
- Plug and play McLaren tuner for M838T engines
- Remaps boost, timing, and fueling for instant horsepower and torque gains
- Features a 64mhz processor for smooth and powerful performance
- Fully programmable CANbus system with data logging capability
- Offers multiple tuning maps including stock, valet, and performance modes
- Compatible with iOS, Android, and Windows devices for tuning and data analysis
- Improves 0-60 times and 1/4 mile times
- Made in the USA with a 5 year warranty
– R 36841