Average gain of 40 horsepower and 75 lb-ft of torque
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Requires upgraded fuel injectors and upgraded clutch if not equipped with factory Luk clutch. For vehicles from the 2000 model year only. Vehicles older
Average gain of 35 horsepower and 65 lb-ft of torque on 91 Octane @ 18 PSI
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with AWP engine code only
Average gain of 45 horsepower and 60 lb-ft of torque on 91 Octane @ 16 PSI
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with AWD or AWW engine codes only
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
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
Average gain of 20 horsepower and 34 lb-ft of torque
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles from the 2000 model year only. Vehicles older than 2000 require ECU removal and physical chip swapping which cannot be done at ECS Tuning.
Get up to +31 hp and +51 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#:
4339493
Mfg#:
918352
Ships in 3 Business Days
ON SALE!
SAVE 10%
$379.00
This product was last offered at the strikethrough price on 07-01-2026
Get up to +31 hp and +55 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#:
4339169
Mfg#:
909912
Ships in 3 Business Days
ON SALE!
SAVE 10%
$379.00
This product was last offered at the strikethrough price on 07-01-2026
Get up to +39 hp and +55 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#:
4339294
Mfg#:
914762
Ships in 3 Business Days
ON SALE!
SAVE 10%
$379.00
This product was last offered at the strikethrough price on 07-01-2026
For customers that already have APR software on their car and are upgrading to a K04
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.
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 For vehicles with BEW engine code only
See up to 386 horsepower on 93 octane fuel!
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 +31 hp and +51 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#:
4339492
Mfg#:
918351
In Stock
ON SALE!
SAVE 10%
$329.00
This product was last offered at the strikethrough price on 07-01-2026
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
Lifetime Replacement
