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Volkswagen Performance TCU Software / Tuning

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ES#4389476 - 20TSI-IS20-UC - Unitronic Performance Software - With UniCONNECT+ Cable - 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 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:
Unitronic - Corporate Logo
ES#:
4389476
Mfg#:
20TSI-IS20-UC
In Stock
ON SALE!
Starting at $14.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5470044 - IESOWE42 - MK8 GTI IE Pro ECU Tune With POWERlink Cable - Unleash the potential of your build with the Pro version, adding Stage 2 support and aggressive features and high-torque files. - Integrated Engineering - Volkswagen

Unleash the potential of your build with the Pro version, adding Stage 2 support and aggressive features and high-torque files. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
5470044
Mfg#:
IESOWE42
In Stock
ON SALE!
Starting at $152.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5480398 - UH015-TLA - Unitronic DSG Bench Harness For DQ381 - Say goodbye to your locked "401" bootloader thanks to Unitronic new TCU Unlock Tools which are seamlessly integrated with the UniCONNECT+ flashing application for end-users. - Unitronic - Audi Volkswagen

Say goodbye to your locked "401" bootloader thanks to Unitronic new TCU Unlock Tools which are seamlessly integrated with the UniCONNECT+ flashing application for end-users. 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!

Brand:
Unitronic - Corporate Logo
ES#:
5480398
Mfg#:
UH015-TLA
Ships in 5 Business Days
$74.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#5456931 - SW300001-02 - APR Stage 2 AWD Controller Software for Gen 5 Haldex - Unleash the true potential of your Gen 5 Haldex system with increased clamping pressure for maximum traction and faster launches. - APR - Audi Volkswagen

Unleash the true potential of your Gen 5 Haldex system with increased clamping pressure for maximum traction and faster launches. 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!

Brand:
APR - Corporate Logo
ES#:
5456931
Mfg#:
SW300001-02
In Stock
$549.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4338809 - iesovn43dsg - IS20 Turbo IE Performance ECU Tune - Includes DSG Tune & POWERlink Cable - Average gain of 161 horsepower and 201 lb-ft of torque on 91 Octane - Integrated Engineering - Audi Volkswagen

Average gain of 161 horsepower and 201 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.
For vehicles with DSG transmission only

Brand:
Integrated Engineering - Corporate Logo
ES#:
4338809
Mfg#:
IESOVN43DSG
In Stock
ON SALE! SAVE 15%
$1627.99

This product was last offered at the strikethrough price on
06-25-2026

$1383.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5470197 - IESOVN93 - IE Apex ECU Tune With POWERlink Cable - The ultimate "no-limits" tier that provides access to every stage and map, including Stage 3 big turbo files for maximum horsepower. - Integrated Engineering - Audi Volkswagen

The ultimate "no-limits" tier that provides access to every stage and map, including Stage 3 big turbo files for maximum horsepower. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
5470197
Mfg#:
IESOVN93
In Stock
ON SALE!
Starting at $152.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5457567 - IESOVN16 - IE Apex ECU Tune With POWERlink Cable - The ultimate "no-limits" tier that provides access to every stage and map, including Stage 3 big turbo files for maximum horsepower. - Integrated Engineering - Audi Volkswagen

The ultimate "no-limits" tier that provides access to every stage and map, including Stage 3 big turbo files for maximum horsepower. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
5457567
Mfg#:
IESOVN16
In Stock
ON SALE!
Starting at $152.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5470045 - IESOWE43 - MK8 GTI IE Apex ECU Tune With POWERlink Cable - The ultimate "no-limits" tier that provides access to every stage and map, including Stage 3 big turbo files for maximum horsepower. - Integrated Engineering - Volkswagen

The ultimate "no-limits" tier that provides access to every stage and map, including Stage 3 big turbo files for maximum horsepower. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
5470045
Mfg#:
IESOWE43
In Stock
ON SALE!
Starting at $152.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4369229 - 18TSI-IS38-2+D - Unitronic Performance Software - Stage 2+ IS38 - With DSG Software - Gain up to 182 horsepower and 139 lb-ft of torque on 93 Octane - Unitronic - Audi Volkswagen

Gain up to 182 horsepower and 139 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 requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
For 4Motion models only. Requires IS38 Turbo Upgrade in addition to other hardware upgrades. Please see description for details.

Brand:
Unitronic - Corporate Logo
ES#:
4369229
Mfg#:
18TSI-IS38-2+D
In Stock
ON SALE! SAVE 10%
$1550.00

This product was last offered at the strikethrough price on
06-22-2026

$1400.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4369226 - 18TSI-IS12-2D-UC - Unitronic Performance Software - Stage 2 - With UniCONNECT+ Cable & DSG Software - Gain up to 87 horsepower and 106 lb-ft of torque on 93 Octane - Unitronic - Audi Volkswagen

Gain up to 87 horsepower and 106 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
For 4Motion models only. Requires Unitronic 3 Inch Downpipe.

Brand:
Unitronic - Corporate Logo
ES#:
4369226
Mfg#:
18TSI-IS12-2D-UC
In Stock
ON SALE! SAVE 10%
$1464.99

This product was last offered at the strikethrough price on
06-22-2026

$1314.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4465091 - 3.6-FSI-1-D - Unitronic Performance Software - Stage 1 - With DSG Software - Gain up to 28 horsepower and 24 lb-ft of torque on 91 Octane - Unitronic - Volkswagen

Gain up to 28 horsepower and 24 lb-ft of torque on 91 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 requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
For 2012 Models only. For BHK, BLV, BWS and BHL engine codes only.

Brand:
Unitronic - Corporate Logo
ES#:
4465091
Mfg#:
3.6-FSI-1-D
In Stock
ON SALE! SAVE 17%
$900.00

This product was last offered at the strikethrough price on
06-22-2026

$750.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4369223 - 18TSI-IS12-1+D - Unitronic Performance Software - Stage 1+ - With DSG Software - Gain up to 84 horsepower and 108 lb-ft of torque on 93 Octane - Unitronic - Audi Volkswagen

Gain up to 84 horsepower and 108 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 requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
For 4Motion models only

Brand:
Unitronic - Corporate Logo
ES#:
4369223
Mfg#:
18TSI-IS12-1+D
In Stock
ON SALE! SAVE 13%
$1150.00

This product was last offered at the strikethrough price on
06-22-2026

$1000.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4369227 - 18TSI-IS20-2D - Unitronic Performance Software - Stage 2 IS20 - With DSG Software - Gain up to 131 horsepower and 125 lb-ft of torque on 93 Octane - Unitronic - Audi Volkswagen

Gain up to 131 horsepower and 125 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 requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
For 4Motion models only. Requires IS20 Turbo Upgrade in addition to other hardware upgrades. Please see description for details.

Brand:
Unitronic - Corporate Logo
ES#:
4369227
Mfg#:
18TSI-IS20-2D
In Stock
ON SALE! SAVE 11%
$1400.00

This product was last offered at the strikethrough price on
06-22-2026

$1250.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4368624 - 20TSI-GEN3-2D - Unitronic Performance Software - Stage 2 - With DSG Software - Gain up to 83 horsepower and 122 lb-ft of torque on 93 Octane - Unitronic - Volkswagen

Gain up to 83 horsepower and 122 ​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 requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4368624
Mfg#:
20TSI-GEN3-2D
In Stock
ON SALE! SAVE 14%
$1100.00

This product was last offered at the strikethrough price on
06-22-2026

$950.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4369221 - 18TSI-IS12-1D - Unitronic Performance Software - Stage 1 - With DSG Software - Gain up to 72 horsepower and 88 lb-ft of torque on 91 Octane - Unitronic - Audi Volkswagen

Gain up to 72 horsepower and 88 lb-ft of torque on 91 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 requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
For 4Motion models only

Brand:
Unitronic - Corporate Logo
ES#:
4369221
Mfg#:
18TSI-IS12-1D
In Stock
ON SALE! SAVE 14%
$1100.00

This product was last offered at the strikethrough price on
06-22-2026

$950.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4368625 - 20TSI-GEN3-3D - Unitronic Performance Software - Stage 3 - With DSG Software - Gain up to 193 horsepower and 145 lb-ft of torque on 93 Octane - Unitronic - Volkswagen

Gain up to 193 horsepower and 145 ​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 requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4368625
Mfg#:
20TSI-GEN3-3D
In Stock
ON SALE! SAVE 10%
$1450.00

This product was last offered at the strikethrough price on
06-22-2026

$1300.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance TCU Software / Tuning

Add power and performance with special TCU software upgrades from recognized tuning leaders like APR, 034Motorsport, Unitronic, and Integrated Engineering. Let our trained support staff show you how to pick the performance ECU software upgrade that suits your driving preferences and budget.

Other Volkswagen Performance TCU Software / Tuning

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Manufacturer names and/or part numbers are used only for identification purposes.

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