Race Chip GTS Black piggyback tuner for Audi A4 B9 with 45 TFSI Engine.
Increases horsepower and torque by 10%-15%. Noticeable improvement in accelaration.
Can be controlled with a smartphone app.
Installed in February 2023, less than two years ago. I sold the vehicle.
In perfect working order.
Includes printed installation and operation manual.
$200 includes USPS delivery in USA.
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