A piggy back tuner that allows you to adjust throttle response for peak performance.
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Easy to install, easy to use boost controller - up to 30HP, 40lb/ft gain!
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Brand:
ES#:
5457075
Mfg#:
D440-0012
In Stock
Limited Qty Sale
$275.99
This product was last offered at the strikethrough price on 05-02-2026
Plug-and-play performance solution - Enjoy additional HP and Torque without voiding warranty!
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Access your BMWs DME wirelessly by connecting to your phone! The enthusiast's tool of choice for xHP Flashtool and many other transmission and engine tuning options.
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Tune out the delayed throttle response from the factory with Injen’s X-Pedal Pro Black Edition and revamp your driving experience!
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The ultimate OBD adapter designed to deliver exceptional speed, maximum connection stability, and great performance for flashing, coding, and live monitoring
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Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
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Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. Includes JB4 side repair harness molex pigtail.
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All the performance ECU/TCU upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
Lifetime Replacement
