JB4 Tuner for 2021+ Genesis GV70, GV80, G80, G90 3.5L SmartStream (V4) Alpina B7 (F01) Upgrade your Sprinter’s fuel capacity

Upgrade your Sprinter’s fuel capacity with the S&B 47 Gallon Fuel Tank and enjoy the freedom to go further on all your adventures

Reusable High-Flow Filters: Cleanable every 15

Upgrade the look of the plastic factory coolant overflow reservoir tank cap with our CNC machined billet aluminum cover

Rubber or silicone pads can get chewed up over time

F82/F83 M4

JB4 Tuner for 2021+ Genesis GV70, GV80, G80, G90 3.5L SmartStream (V4) Alpina B7 (F01) Upgrade your Sprinter’s fuel capacityPower gains of up to 100hp and 100tq to the wheels on a stock vehicle The JB4 is a plug and play Hyundai Genesis performance tuner that connects to easy to access sensors in the engine bay and works with your factory ECU to optimize boost, timing, and fueling for stronger performance and reduced turbo lag. Unlike basic tuning boxes, the JB4 includes a fully programmable CANbus system, upgradable firmware, and data logging. CANbus integration allows