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! For vehicles with TSI engines only.
Average gain of 46 horsepower and 62 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. For vehicles with TSI engine only
Brand:
ES#:
3579490
Mfg#:
IESOCCT1
In Stock
ON SALE!
SAVE 15%
$628.99
This product was last offered at the strikethrough price on 06-25-2026
Average gain of 66 horsepower and 87 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. For vehicles with TSI engine only
Brand:
ES#:
3579489
Mfg#:
IESOCCT2
In Stock
ON SALE!
SAVE 15%
$678.99
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! For vehicles with FSI engines only.
Average gain of 141 horsepower and 127 lb-ft of torque on 91/93/100 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#:
3699143
Mfg#:
IESOVT13
In Stock
ON SALE!
SAVE 15%
$828.99
This product was last offered at the strikethrough price on 06-25-2026
Get up to +54 hp and +60 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4339161
Mfg#:
909644
In Stock
ON SALE!
SAVE 10%
$549.00
This product was last offered at the strikethrough price on 07-01-2026
Eliminate the delay in throttle response times with a simple XLR addition! Allows for Bluetooth connectivity for easy App based control.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4660564
Mfg#:
999941
Ships in 3 Business Days
ON SALE!
SAVE 10%
$299.00
This product was last offered at the strikethrough price on 07-01-2026
Average gain of 71 horsepower and 101 lb-ft of torque on 93 octane!
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! This upgrade must be performed at ECS Tuning's facility in Ohio. For vehicles with TSI engines only. This upgrade can only be performed with the car present at our facility.
For customers that already have APR software on their car and are upgrading to a K04
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! This upgrade can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa For vehicles with FSI engines only. Ship your ECU for free, or drive your vehicle to our location
Required software to properly upgrade to a K04 turbocharger
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! This upgrade must be performed at ECS Tuning's facility in Ohio. This upgrade can only be performed with the car present at our facility.
Average gain of 65 horsepower and 103 lb-ft of torque on 93 Octane @ 18 PSI with Exhaust upgrade
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with TSI engine only
Average gain of 64 horsepower and 98 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. For vehicles with FSI engines only
Brand:
ES#:
3579502
Mfg#:
IESOCBC3
In Stock
ON SALE!
SAVE 15%
$728.99
This product was last offered at the strikethrough price on 06-25-2026
Average gain of 71 horsepower and 101 lb-ft of torque on 93 octane!
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! This upgrade can only be performed with the car present at our facility. For vehicles with TSI engines only. This upgrade can only be performed with the car present at our facility.
Required software to properly upgrade to a K04 turbocharger
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! This upgrade must be performed at ECS Tuning's facility in Ohio. This upgrade can only be performed with the car present at our facility.
Average gain of 52 horsepower and 76 lb-ft of torque on 93 Octane @ 18 PSI with Exhaust upgrade & High Pressure fuel pump upgrade
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with FSI engine only
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.
