JB4 Tuner for 2016+ Ford Focus RS & ST Choose vehicle:Ford Focus RS Dry Extendable Inverted Cone Performance

Dry Extendable Inverted Cone Performance Filters (Disposable)

• Fuel economy unchanged during normal driving

JB4 N54 2 STEP / NLS Relay

• All B58 Gen 2 BMW/Supra motors

For Most E Chassis BMW vehicles BMS Recommends 12-15mm rear and 10mm - 12mm front

JB4 Tuner for 2016+ Ford Focus RS & ST Choose vehicle:Ford Focus RS Dry Extendable Inverted Cone PerformancePower gains of up to 50whp and 60wtq to the wheels on a stock Ford Focus The JB4 is a plug and play Ford Focus RS ST tuner that plugs into easy to access sensors in the engine bay and works with your factory ECU tuning to remap your boost, timing, and fueling for optimal performance and reduced turbo lag. It features a 64mhz processor allowing sensors to be sampled 800 times per second using dedicated 10 bit digital to analog converters, ensuring