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.
Flash your ECU and unleash the power your VW/Audi was meant to have.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms CARB certified for sale in all 50 states
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.
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
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 06-25-2026
Choose the stage that meets your power goals!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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.
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
Gain up to 83 horsepower and 122 ​lb-ft of torque on 93 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Brand:
ES#:
4368468
Mfg#:
20TSI-GEN3-2-UC
In Stock
ON SALE!
SAVE 18%
$814.99
This product was last offered at the strikethrough price on 06-22-2026
Gain up to 62 horsepower and 103 ?lb-ft of torque on 93 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Brand:
ES#:
4368628
Mfg#:
20TSI-GEN3-1+D-U
In Stock
ON SALE!
SAVE 13%
$1114.99
This product was last offered at the strikethrough price on 06-22-2026
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.
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 This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Gain up to 62 horsepower and 103 ​lb-ft of torque on 93 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Brand:
ES#:
4368466
Mfg#:
20TSI-GEN3-1+-UC
In Stock
ON SALE!
SAVE 20%
$764.99
This product was last offered at the strikethrough price on 06-22-2026
Plug & play power ? gains starting at 30whp/40lb-ft on a stock car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for sale or use in the state of California.
Brand:
ES#:
3677538
Mfg#:
JB4-1.4
In Stock
$529.00
This product was last offered at the strikethrough price on 06-17-2026
Average gain of 18 horsepower and 24 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#:
4505717
Mfg#:
IESOVB11
In Stock
ON SALE!
SAVE 15%
$578.99
This product was last offered at the strikethrough price on 06-25-2026
Add power and performance with special ECU software upgrades from recognized tuning leaders like APR, 034Motorsport, Unitronic, Integrated Engineering. Let our trained support staff show you how to pick the performance ECU software upgrade that suits your driving preferences and budget.
Let us help you find the parts that fit your
Volkswagen
