Audi 8V S3 Quattro 2.0T Sedan
Choose the stage that meets your power goals! DSG and Haldex tunes are also available.
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
Lifetime Replacement
Features CAN-Bus connectivity for more advanced tuning — gain up to 45hp/45lb-ft on a stock car, 100hp/70lb-ft horsepower on a modified car
Not for sale or use in the state of California.
Lifetime Replacement
Offers smoother and quicker shifts and a higher torque limit thanks to increased clamping pressure
This upgrade requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next business day.
Lifetime Replacement
Unlock hidden horsepower and torque with our performance tuning software for your vehicle's ECU.
Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.
This product was last offered at the strikethrough price on
09-28-2026
Lifetime Replacement
Gains up to 74HP & 98TQ on 93 Octane
Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.
Vehicle must be brought to ECS Tuning for programming
This product was last offered at the strikethrough price on
09-28-2026
Lifetime Replacement
Unleash the potential of your build with the Pro version, adding Stage 2 support and aggressive features and high-torque files.
Unleash your JB's full potential!
For use with JB1 only
Lifetime Replacement
The ultimate "no-limits" tier that provides access to every stage and map, including Stage 3 big turbo files for maximum horsepower.
The perfect entry point for a stock car, delivering a massive Stage 1 power bump with no additional hardware required.
Stylish protective waterproof case for your JB1 or JB4
Lifetime Replacement
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.
Lifetime Replacement
The ultimate "no-limits" tier that provides access to every stage and map, including Stage 3 big turbo files for maximum horsepower.
Flash your ECU, TCU, and add a high-flow Cobb filter to unleash the power your VW/Audi was meant to have!
For vehicles up through the 2017 model year only. 2018+ tune support coming soon!
Unleash the most out of your MK7/8V with this Stage 1 power pack from COBB!
For vehicles up through the 2017 model year only. 2018+ tune support coming soon!
Lifetime Replacement
Proprietary tune box designed specifically for the EA888.3 2.0L TFSI with gains of +70 Horsepower / 70 ft-lb of Torque!
This product was last offered at the strikethrough price on
08-12-2026
Lifetime Replacement
