Average gain of 26 horsepower and 54 lb-ft of torque
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Vehicles equipped with DSG transmission require a DSG tune.
Average gain of 60 horsepower and 85 lb-ft of torque
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Requires VNT-17 turbo upgrade, 3.0 bar MAP sensor
Average gain of 50 horsepower and 85 lb-ft of torque on 93 Octane @ 18 PSI
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with FSI engine only
Get up to +64 hp and +74 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#:
4339067
Mfg#:
905574
Ships in 3 Business Days
ON SALE!
SAVE 10%
$549.00
This product was last offered at the strikethrough price on 07-01-2026
Get up to +67 hp and +70 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#:
4339388
Mfg#:
917424
Ships in 3 Business Days
ON SALE!
SAVE 10%
$549.00
This product was last offered at the strikethrough price on 07-01-2026
Get up to +43 hp and +63 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#:
4339408
Mfg#:
917514
Ships in 3 Business Days
ON SALE!
SAVE 10%
$549.00
This product was last offered at the strikethrough price on 07-01-2026
Average gain of 18 horsepower and 24 lb-ft of torque on 91/93 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#:
3579496
Mfg#:
IESOCCB1
In Stock
ON SALE!
SAVE 15%
$578.99
This product was last offered at the strikethrough price on 06-25-2026
Features CAN-Bus connectivity for more advanced tuning — gain up to 55hp/60lb-ft on a stock car, 80hp/80lb-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.
Features CAN-Bus connectivity for more advanced tuning — gain up to 45hp/45lb-ft on a stock car, 100hp/70lb-ft horsepower 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.
The perfect entry point for a stock car, delivering a massive Stage 1 power bump with no additional hardware required.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Gain up to 50 horsepower and 105 lb-ft of torque
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
Brand:
ES#:
4465347
Mfg#:
V6-TDI-1
In Stock
ON SALE!
SAVE 25%
$600.00
This product was last offered at the strikethrough price on 06-22-2026
Optimized clutch pressure and proactive torque transfer for improved traction and acceleration.
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!
APR's ECU Upgrade is the best power per dollar modification for your 2.0T Gen 3 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. For vehicles up through the 2017 model year only.
Brand:
ES#:
2739771
Mfg#:
APR20TGEN3
In Stock
$499.99
This product was last offered at the strikethrough price on 02-02-2026
Plug-and-play performance solution - Enjoy gains of up to 35% more horsepower and 25% more torque
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles up through the 2012 model year 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.
Lifetime Replacement
