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Volkswagen MK4 Performance Tunes & Software

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ES#4684889 - 034-103-3306 - Dynamic+ End User Flashing Kit R4 (Flashing Device Only - Tuning Not Included) - 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. - 034Motorsport - Audi Volkswagen

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:
034Motorsport - Corporate Logo
ES#:
4684889
Mfg#:
034-103-3306
EO#:
D-850
In Stock
$180.00 USD
Free Shipping
ES#4727518 - EM100039 - APR Remote Tuning Service Install Cable - 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. - APR - Audi Volkswagen Porsche

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:
APR - Corporate Logo
ES#:
4727518
Mfg#:
EM100039
In Stock
$163.95 USD
Free Shipping
ES#3147663 - ed-mt-1.8-awp-KT - Maestro Tuning Suite - With Powertap Air Flash Tool - Ideal for shops and enthusiasts looking to recalibrate their vehicles for modified hardware - Eurodyne - Volkswagen

Ideal for shops and enthusiasts looking to recalibrate their vehicles for modified hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Eurodyne - Corporate Logo
ES#:
3147663
Mfg#:
ED-MT-1.8-AWP-KT
In Stock
$799.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4415272 - AP3-OBDII-CABLE- - AP3 OBD2 UNIVERSAL CABLE - Tidy up your cabin with the COBB OBDII Universal Cable! - CobbTuning - Audi BMW Volkswagen Porsche

Tidy up your cabin with the COBB OBDII Universal Cable! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CobbTuning - Corporate Logo
ES#:
4415272
Mfg#:
AP3-OBDII-CABLE-
In Stock
$85.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3147671 - ed-1.8-awp-KT - Eurodyne Reflash - With Powertap Air Flash Tool - Tune your car with just your laptop and choose gains ranging from 35-50 hp and 77-107 ft-lb of torque - Eurodyne - Volkswagen

Tune your car with just your laptop and choose gains ranging from 35-50 hp and 77-107 ft-lb of torque affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Eurodyne - Corporate Logo
ES#:
3147671
Mfg#:
ED-1.8-AWP-KT
In Stock
$699.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#263532 - MK4STG1CHIP-1DP - Stage I Performance Chip - 1 Program - Direct Port - DIRECT PORT ONLY - Vehicle must be brought to ECS - APR - Audi Volkswagen

DIRECT PORT ONLY - Vehicle must be brought to ECS 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.
AWD - 204hp/242lb-ft / AWW/AWP - 215hp/247lb-ft (93 Octane)

Brand:
APR - Corporate Logo
ES#:
263532
Mfg#:
MK4STG1CHIP-1DP
In Stock
$499.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4461249 - 1.8T-MK4TT - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Audi Volkswagen

Choose the stage that meets your power goals! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 5/22/26 - 6/5/26 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:
Unitronic - Corporate Logo
ES#:
4461249
Mfg#:
1.8T-MK4TT
In Stock
ON SALE!
Starting at $350.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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.

Brand:
APR - Corporate Logo
ES#:
2063666
Mfg#:
APRKO4TRV-SWUSRV
In Stock
$325.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4465329 - 1.9-BEW - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Volkswagen

Choose the stage that meets your power goals! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 5/22/26 - 6/5/26 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

Brand:
Unitronic - Corporate Logo
ES#:
4465329
Mfg#:
1.9-BEW
In Stock
ON SALE!
Starting at $300.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4464765 - 2.0-8V - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Volkswagen

Choose the stage that meets your power goals! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 5/22/26 - 6/5/26 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:
Unitronic - Corporate Logo
ES#:
4464765
Mfg#:
2.0-8V
In Stock
ON SALE!
Starting at $200.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4465323 - 1.9-ALH - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Volkswagen

Choose the stage that meets your power goals! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 5/22/26 - 6/5/26 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 ALH engine code only

Brand:
Unitronic - Corporate Logo
ES#:
4465323
Mfg#:
1.9-ALH
In Stock
ON SALE!
Starting at $200.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2063652 - APRTHEFT-SRV - Anti-Theft Service - *Sale applies only to ECU with 3 or 4 program purchase. - APR - Audi Volkswagen

*Sale applies only to ECU with 3 or 4 program purchase. 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.

Brand:
APR - Corporate Logo
ES#:
2063652
Mfg#:
APRTHEFT-SRV
In Stock
$199.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2063651 - APRFCTB-SRV - Fault Code Erase And Throttle Body Alignment Service - *Sale only applies to purchases to ECU with 3 or 4 program options - APR - Audi Volkswagen

*Sale only applies to purchases to ECU with 3 or 4 program options 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.

Brand:
APR - Corporate Logo
ES#:
2063651
Mfg#:
APRFCTB-SRV
In Stock
$59.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2795742 - MKIV19DSLSFTKT - 1.9L Diesel Performance Software Program - Upgrade offers an excellent 15-30% gain in peak torque and horsepower over the factory output. - APR - Volkswagen

Upgrade offers an excellent 15-30% gain in peak torque and horsepower over the factory output. 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 can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa

Brand:
APR - Corporate Logo
ES#:
2795742
Mfg#:
MKIV19DSLSFTKT
Ships in 1 day
$612.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Tunes & Software

If you've upgraded your car or just want a bit more power from your stock vehicle, performance engine software helps maximize your car's potential by letting it know just where the limits are. Improve your driving experience with upgraded performance engine software from our selection of elite software tuners.

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