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.
Max gains of +64 AWHP and +76 AWFT-LBS at the wheels (Stage 1) and +74 AWHP and +80 AWFT-LBS (Stage 2) with a 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#:
4674265
Mfg#:
ECU20TEA8884LK3P
Ships in 1 day
ON SALE!
SAVE 10%
$1599.99
This product was last offered at the strikethrough price on 07-31-2026
Unitronic is pleased to offer a solution, allowing vehicles which came with locked "401" TCUs to be tuned by swapping to the genuine Bosch DQ381.2 Unlocked TCU.
Unleash up to 455HP/431TQ by transforming your VW/Audi EA888.4 with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features!
Max gains of +64-112 AWHP and +76-118 AWFT-LBS at the wheels (Stage 1) and +74-123 AWHP and +80-125 AWFT-LBS (Stage 2)
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#:
4674264
Mfg#:
ECU20TEA8884LK3
Ships in 1 day
ON SALE!
SAVE 10%
$599.99
This product was last offered at the strikethrough price on 07-31-2026
Optimize the driving experience with performance tuning software for your vehicle's Transmission Control Unit (TCU).
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#:
4668636
Mfg#:
TCUDQ381MQBEVO
In Stock
ON SALE!
SAVE 10%
$499.99
This product was last offered at the strikethrough price on 07-31-2026
$449.96 USD
Lifetime Replacement
More About Performance Tunes & Software
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.
