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
Average gain of 59 horsepower and 56 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!
Brand:
ES#:
3579480
Mfg#:
IESOCGT1
In Stock
ON SALE!
SAVE 15%
$628.99
This product was last offered at the strikethrough price on 06-25-2026
Average gain of 83 horsepower and 82 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!
Brand:
ES#:
3579479
Mfg#:
IESOCGT2
In Stock
ON SALE!
SAVE 15%
$678.99
This product was last offered at the strikethrough price on 06-25-2026
Average gain of 145 horsepower and 131 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! For 8-speed automatic transmissions only
Brand:
ES#:
5375507
Mfg#:
IESOVT23+TCU
In Stock
ON SALE!
SAVE 15%
$1327.99
This product was last offered at the strikethrough price on 06-25-2026
Don't let weak and unresponsive factory gas pedal mapping ruin your driving experience!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Wirelessly connect your JB4 to your phone!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.
Average gain of 83 horsepower and 82 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! For 8-speed automatic transmissions only
Brand:
ES#:
5375506
Mfg#:
IESOCGT2+TCU
In Stock
ON SALE!
SAVE 15%
$1177.99
This product was last offered at the strikethrough price on 06-25-2026
Average gain of 145 horsepower and 131 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!
Brand:
ES#:
3979092
Mfg#:
IESOVT23
In Stock
ON SALE!
SAVE 15%
$828.99
This product was last offered at the strikethrough price on 06-25-2026
Average gain of 59 horsepower and 56 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! For 8-speed automatic transmissions only
Brand:
ES#:
5375505
Mfg#:
IESOCGT1+TCU
In Stock
ON SALE!
SAVE 15%
$1127.99
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 can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
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 4 Business Days
ON SALE!
SAVE 10%
$299.00
This product was last offered at the strikethrough price on 06-30-2026
Get up to +60 hp and +63 lb-ft through a safe and easy to use tuning module from RaceChip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4339427
Mfg#:
917783
Ships on Jul 21, 2026
ON SALE!
SAVE 10%
$499.00
This product was last offered at the strikethrough price on 06-30-2026
Includes software and HPA OnePort Flashing Dongle - Requires HPA K04 Longitudinal 2.0T Turbo, HPA TSI Version 2 Manifold, intake (or performance filter) and downpipe.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms *HPA ECU Order Form will need completed and sent directly to HPA - Please see documentation tab for order
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.
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.
