Wirelessly connect your JB4 to your phone!
For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering. For use with JB4 only
The perfect entry point for a stock car, delivering a massive Stage 1 power bump with no additional hardware required.
5X Entries For Our 25th Anniversary Sweepstakes! Incompatible with 2017+ FWD A3
Features CAN-Bus connectivity for more advanced tuning — gain up to 45hp/45lb-ft on a stock car, 90hp/70lb-ft on a modified car
Not for sale or use in the state of California.
The enthusiast’s choice that unlocks Stage 2 potential, requiring bolt-on hardware like a downpipe to maximize the stock IS20 turbo.
5X Entries For Our 25th Anniversary Sweepstakes!
Gain up to 65 horsepower and 83 lb-ft of torque on 93 Octane
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Gain up to 43 horsepower and 69 lb-ft of torque on 91 Octane
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
This upgrade can only be performed with the car at ECS Tuning's location in Ohio
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. See up to 290hp/320lb-ft This upgrade can only be performed with the car present at our facility.
See up to 386 horsepower on 93 octane fuel!
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. For new APR customers with Golf R/S3 IS38 turbocharger only. Tuning may only be performed in-house at APR dealers.
If you've upgraded your car or just want a bit more power from your stock vehicle, performance engine software helps maximize your car's potential by letting it know just where the limits are. Improve your driving experience with upgraded performance engine software from our selection of elite software tuners.
Lifetime Replacement
