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!
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 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!
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.
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.
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!
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.
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#:
4338977
Mfg#:
901504
Back Ordered
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 4 Business Days
ON SALE!
SAVE 10%
$299.00
This product was last offered at the strikethrough price on 07-01-2026
Unleash up to 264HP/304TQ by transforming your VW/Audi EA888.1 with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Gain up to 65 horsepower and 83 lb-ft of torque on 93 Octane
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
Brand:
ES#:
4370470
Mfg#:
20TSI-GEN3B-1+DU
In Stock
ON SALE!
SAVE 11%
$1314.99
This product was last offered at the strikethrough price on 06-22-2026
APR's ECU Upgrade is the best power per dollar modification for your engine out there
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. 255hp/289lb-ft (93 octane). 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
Get up to +34 hp and +41 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#:
4338973
Mfg#:
901500
Ships in 4 Business Days
ON SALE!
SAVE 10%
$279.00
This product was last offered at the strikethrough price on 07-01-2026
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.
Lifetime Replacement
