JB4 Tuner for 2014-Present Porsche 911 Turbo & Turbo S - Burger Tuning a4 b9 The JB4 performance Tuner includes

JB4 Tuner for 2014-Present Porsche 911 Turbo & Turbo S - Burger Tuning a4 b9 The JB4 performance Tuner includesPower gains of up to 140hp and 176tq to the wheels on a stock vehicle The JB4 is a plug and play tuner that attaches to 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, all without the risks and expenses commonly associated with flash tuning. No ECU flash needed and compatible with locked ECUs Includes several performance maps that

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