Tuning your vehicle with APR Software has never been easier thanks to the APR Ultralink!
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! Only available for purchase in the United States and Canada.
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.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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.
Brand:
ES#:
4684889
Mfg#:
034-103-3306
EO#:
D-850
In Stock
ON SALE!
SAVE 10%
$180.00
This product was last offered at the strikethrough price on 06-28-2026
Choose the stage that meets your power goals!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE! This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th For vehicles up to the 2024 model year.
APR can now remotely tune you car from anywhere in the world! Simply purchase the APR RTS Install Cable and setup a remote tuning session with APR or participating APR Dealer.
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! Tuning must be performed by APR or a participating dealer. ECS Tuning does not offer the APR Remote Tuning Service at this time.
Brand:
ES#:
4727518
Mfg#:
EM100039
In Stock
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$193.95
This product was last offered at the strikethrough price on 07-04-2026
Average gain of 106 horsepower and 115 lb-ft of torque on 91 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada. Requires upgraded air intake system and intercooler.
Brand:
ES#:
4880696
Mfg#:
IESOWE12DSG
In Stock
ON SALE!
SAVE 15%
$1427.99
This product was last offered at the strikethrough price on 06-25-2026
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.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
Average gain of 84 horsepower and 94 lb-ft of torque on 91 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.
Brand:
ES#:
4880695
Mfg#:
IESOWE11DSG
In Stock
ON SALE!
SAVE 15%
$1327.99
This product was last offered at the strikethrough price on 06-25-2026
Choose the stage that meets your power goals!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE! This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
Unleash up to 455HP/431TQ by transforming your VW/Audi EA888.4 with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Unleash up to 455HP/431TQ by transforming your VW/Audi EA888.4 with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Enhance your tune with true on-the-fly adjustability—directly from your smartphone.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
Unlock your 2022+ Volkswagen & Audi DQ381 G2 TCU with the 401 boot loader from the comfort of your home.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5457612
Mfg#:
034-103-3401
In Stock
ON SALE!
SAVE 10%
$145.00
This product was last offered at the strikethrough price on 06-28-2026
Say goodbye to your locked "401" bootloader thanks to Unitronic new TCU Unlock Tools which are seamlessly integrated with the UniCONNECT+ flashing application for end-users.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
Unleash the potential of your build with the Pro version, adding Stage 2 support and aggressive features and high-torque files.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
The ultimate "no-limits" tier that provides access to every stage and map, including Stage 3 big turbo files for maximum horsepower.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
The perfect entry point for a stock car, delivering a massive Stage 1 power bump with no additional hardware required.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Add power and performance with special TCU software upgrades from recognized tuning leaders like APR, 034Motorsport, Unitronic, and Integrated Engineering. Let our trained support staff show you how to pick the performance ECU software upgrade that suits your driving preferences and budget.
