End User Flashing allows Dynamic+ Performance Software customers to receive and install software updates and revisions, flash back to stock, or upgrade to the next stage of performance software for their vehicle.
The 034SPI Mobile App is only available on vehicles with Dynamic+ Tuning installed. You must purchase Dynamic+ Tuning for your Audi or Volkswagen to access the Dynamic+ Flashing Suite and 034SPI Mobile Application.
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. Ship your ECU for free. For vehicles with mass airflow sensor only. 181hp/204lb-ft (93 octane) --- 180hp/201lb-ft (91 octane),
Brand:
ES#:
263538
Mfg#:
2.5STG1CHIP-1
In Stock
ON SALE!
SAVE 10%
$399.99
This product was last offered at the strikethrough price on 07-31-2026
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. Ship your ECU for free, or drive your vehicle to our location. For vehicles with mass airflow sensor only. 181hp/204lb-ft (93 octane) --- 180hp/201lb-ft (91 octane),
Brand:
ES#:
263541
Mfg#:
2.5STG1CHIP-2
In Stock
ON SALE!
SAVE 10%
$499.99
This product was last offered at the strikethrough price on 07-31-2026
Stage 1 ECU tune that resolves rev hang and throttle hesitation to deliver an aggressive power jump for VW 2.5L 5-cylinder models (Rabbit, Jetta, Golf, Passat, Sportwagen, New Beetle) directly from your smartphone.
5X Entries For Our 25th Anniversary Sweepstakes!
Stage 2 ECU tune designed for use with an IE Performance Intake Manifold to maximize naturally aspirated power gains across the powerband for VW 2.5L 5-cylinder models (Rabbit, Jetta, Golf, Passat, Sportwagen, New Beetle).
5X Entries For Our 25th Anniversary Sweepstakes!
Get access to even more vehicle data using PROLINK+ to wire in up to 2x analog signals and 1x CAN bus signal. Compatible with MPVI2+ and MPVI3 interfaces.
For use with HP Tuners MPVI2+ and MPVI3 interfaces only.
Brand:
ES#:
4840618
Mfg#:
H021-002-06
Ships in 4 Business Days
$60.99
This product was last offered at the strikethrough price on 05-12-2026
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.
Brand:
ES#:
4714892
Mfg#:
JB4-OBDII-CA-MC
Ships on Aug 26, 2026
$30.00 USD
Lifetime Replacement
More About Performance ECU & TCU Tuning
All the performance ECU/TCU upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
