Tuners

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Group 13: JB4 Tuner for VW MK6 2.0TSI GTI, R, GLI, CC, S3, Tiguan MK1&2Discount

Original price was: $349.00.Current price is: $104.70.
JB4 Group 13 The JB4 is a true user adjustable plug and play solution.  Power Gains: Starting at peak 25bhp
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Group 14: JB4 for Audi and others B8/8.5 EA888 Gen2on Sale

Original price was: $328.00.Current price is: $98.40.
Welcome to the official shop of the Group 14: JB4 for Audi and others B8/8.5 EA888 Gen2, the perfect destination
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Group 15: JB4 for Audi EA825 4.0TT C8 RS6/7, RS Q8, SQ7/8, & UrusOnline now

Original price was: $329.00.Current price is: $98.70.
Power gains from 70hp and 100tq to the wheels on a stock vehicle without the risks of flashing! Power gains
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JB4 Tuner for 2025+ RAM 1500 3.0L I6 Hurricane Twin Turbo (BETA)on Sale

Original price was: $529.99.Current price is: $159.00.
Power gains of up to 104hp to the wheels on a stock RAM 1500 3.0L! The JB4 is the most
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JB4 Tuner for AcuraOnline

Original price was: $182.00.Current price is: $54.60.
Power gains of up to 80whp / 100wtq with the 3L and 50whp / 60wtq with the 2L on a
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