The ultimate "no-limits" tier that provides access to every stage and map, including Stage 3 big turbo files for maximum horsepower.
5X Entries For Our 25th Anniversary Sweepstakes!
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.
Unleash the potential of your build with the Pro version, adding Stage 2 support and aggressive features and high-torque files.
5X Entries For Our 25th Anniversary Sweepstakes!
Unleash up to 357HP/396TQ by transforming your Audi B9 A4/A5 with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features!
Features CAN-Bus connectivity for more advanced tuning — gain up to 30whp and 45lb-ft. of torque
Not for sale or use in the state of California. Fits 190hp models only
Proprietary tune box designed specifically for the EA888.3 2.0L TFSI with gains of +65 Horsepower / 70 ft-lb of Torque!
2X Entries For Our 25th Anniversary Sweepstakes! Compatible with 2017-2020 model years only
Proprietary tune box designed specifically for the EA888.3 2.0L 45 TFSI with gains of +30 Horsepower / 30 ft-lb of Torque!
2X Entries For Our 25th Anniversary Sweepstakes! Compatible with 2021+ model years only
Higher peak figures of 306 HP with 376 FT-LBS of torque - *with APR PLUS limited powertrain warranty*
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes! This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
3690535
Mfg#:
B9A420TSTG1KT1
Ships in 1-2 days
ON SALE!
SAVE 10%
$1099.99
This product was last offered at the strikethrough price on 07-31-2026
Add power and performance with special software upgrades from recognized tuning leaders like APR, Cobb, and Malone. Let our trained support staff show you how to pick the performance software upgrade that suits your driving preferences and budget.
Lifetime Replacement
