JB4 Tuner for 2013-2017 Ford Fiesta ST 1.6L & 2018-2023 Fiesta ST 1.5L - Burger TuningPower gains of up to 40hp and 70tq to the wheels on a stock vehicle! This plug and play Ford Fiesta ST tuner plugs into easy 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 smooth and powerful
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JB4 Tuner for 2013-2017 Ford Fiesta ST 1.6L & 2018-2023 Fiesta ST 1.5L - Burger Tuning