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
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.
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
Features CAN-Bus connectivity for more advanced tuning — gain up to 50hp/70lb-ft on a stock car, 75hp/90lb-ft on a modified car
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for sale or use in the state of California. For 252hp engine variant only
Proprietary tune box designed specifically for the EA888.3B 2.0L Ultra TFSI with gains of +50 Horsepower / 65 ft-lb of Torque!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! Fits vehicles up to 2019
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#:
4708646
Mfg#:
999871
Ships in 4 Business Days
ON SALE!
SAVE 10%
$299.00
This product was last offered at the strikethrough price on 06-30-2026
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
Higher peak figures of 306-314 HP with 367-388 FT-LBS of torque depending on fuel grade!
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.
Get up to +54 hp and +66 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#:
4339018
Mfg#:
902984
Ships on Jul 24, 2026
ON SALE!
SAVE 10%
$499.00
This product was last offered at the strikethrough price on 06-30-2026
Get up to +54 hp and +66 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#:
4339017
Mfg#:
902983
In Stock
ON SALE!
SAVE 10%
$449.00
This product was last offered at the strikethrough price on 06-30-2026
Get up to +37 hp and +45 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#:
4339014
Mfg#:
902980
Ships in 4 Business Days
ON SALE!
SAVE 10%
$249.00
This product was last offered at the strikethrough price on 06-30-2026
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.