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 existing Stage 1 or Stage 2 customers with Golf R/8V S3 IS38 turbocharger only. Tuning may only be performed in-house at APR dealers.
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.
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 184hp models only
Add power and performance with special ECU software upgrades from recognized tuning leaders like APR, 034Motorsport, Unitronic, Integrated Engineering. Let our trained support staff show you how to pick the performance ECU software upgrade that suits your driving preferences and budget.