Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle

Volkswagen Performance ECU Software / Tuning

Sort By
Filter By
Return to Top
ES#4623726 - 20TSI-GEN4-UC - Unitronic Performance Software - With UniCONNECT+ Cable -  MK8/8Y Evo4	 - 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
For vehicles up to the 2024 model year.

Brand:
Unitronic - Corporate Logo
ES#:
4623726
Mfg#:
20TSI-GEN4-UC
In Stock
ON SALE!
Starting at $0.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4615998 - 20TSI-GEN1 - 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!
For vehicles with TSI engines only.

Brand:
Unitronic - Corporate Logo
ES#:
4615998
Mfg#:
20TSI-GEN1
In Stock
ON SALE!
Starting at $564.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4368628 - 20TSI-GEN3-1+D-U - Unitronic Performance Software - Stage 1+ - With UniCONNECT+ Cable & DSG Software - Gain up to 62 horsepower and 103 ?lb-ft of torque on 93 Octane - Unitronic - Volkswagen

Gain up to 62 horsepower and 103 ?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:
Unitronic - Corporate Logo
ES#:
4368628
Mfg#:
20TSI-GEN3-1+D-U
In Stock
ON SALE! SAVE 13%
$1114.99

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

$964.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4368468 - 20TSI-GEN3-2-UC - Unitronic Performance Software - Stage 2 - With UniCONNECT+ Cable - 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 can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th

Brand:
Unitronic - Corporate Logo
ES#:
4368468
Mfg#:
20TSI-GEN3-2-UC
In Stock
ON SALE! SAVE 18%
$814.99

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

$664.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4387800 - 14TSIGEN2UC - Unitronic Performance Software - With UniCONNECT+ Cable - 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 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#:
4387800
Mfg#:
14TSIGEN2UC
In Stock
ON SALE!
Starting at $514.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4368655 - 18TSI-IS12-1+-UC - Unitronic Performance Software - Stage 1+ - With UniCONNECT+ Cable - 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 can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th

Brand:
Unitronic - Corporate Logo
ES#:
4368655
Mfg#:
18TSI-IS12-1+-UC
In Stock
ON SALE! SAVE 17%
$864.99

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

$714.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4368466 - 20TSI-GEN3-1+-UC - Unitronic Performance Software - Stage 1+ - With UniCONNECT+ Cable - Gain up to 62 horsepower and 103 lb-ft of torque on 93 Octane - Unitronic - Volkswagen

Gain up to 62 horsepower and 103 ​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:
Unitronic - Corporate Logo
ES#:
4368466
Mfg#:
20TSI-GEN3-1+-UC
In Stock
ON SALE! SAVE 20%
$764.99

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

$614.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4369224 - 18TSI-IS12-1+D-U - Unitronic Performance Software - Stage 1+ - With UniCONNECT+ Cable & 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 can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th

Brand:
Unitronic - Corporate Logo
ES#:
4369224
Mfg#:
18TSI-IS12-1+D-U
In Stock
ON SALE! SAVE 11%
$1314.99

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

$1164.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4505411 - TIGMBQG3-UC - Unitronic Performance Software - With UniCONNECT+ Cable - 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 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
For vehicles up to the 2022 model year.

Brand:
Unitronic - Corporate Logo
ES#:
4505411
Mfg#:
TIGMBQG3-UC
In Stock
ON SALE!
Starting at $664.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4381815 - 20FSI-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!
For vehicles with FSI engines only.

Brand:
Unitronic - Corporate Logo
ES#:
4381815
Mfg#:
20FSI-UC
In Stock
ON SALE!
Starting at $564.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4381673 - 14TSI-UC - Unitronic Performance Software - With UniCONNECT+ Cable - 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 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!

Brand:
Unitronic - Corporate Logo
ES#:
4381673
Mfg#:
14TSI-UC
In Stock
ON SALE!
Starting at $514.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4369222 - 18TSI-IS12-1D-UC - Unitronic Performance Software - Stage 1 - With UniCONNECT+ Cable & 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 can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th

Brand:
Unitronic - Corporate Logo
ES#:
4369222
Mfg#:
18TSI-IS12-1D-UC
In Stock
ON SALE! SAVE 12%
$1264.99

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

$1114.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4389433 - 20TSI-IS38-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#:
4389433
Mfg#:
20TSI-IS38-UC
In Stock
ON SALE!
Starting at $664.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4369230 - 18TSI-IS38-2+D-U - Unitronic Performance Software - Stage 2+ IS38 - With UniCONNECT+ Cable & 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 can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Requires IS38 Turbo Upgrade in addition to other hardware upgrades. Please see description for details.

Brand:
Unitronic - Corporate Logo
ES#:
4369230
Mfg#:
18TSI-IS38-2+D-U
In Stock
ON SALE!
$1714.99

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

$1564.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4368657 - 18TSI-IS12-2-UC - Unitronic Performance Software - Stage 2 - With UniCONNECT+ Cable - 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
Requires Unitronic 3 Inch Downpipe

Brand:
Unitronic - Corporate Logo
ES#:
4368657
Mfg#:
18TSI-IS12-2-UC
In Stock
ON SALE! SAVE 16%
$914.99

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

$764.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4368630 - 20TSI-GEN3-3D-UC - Unitronic Performance Software - Stage 3 - With UniCONNECT+ Cable & 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!
Performance Software for your ECU Box Code is subject to availability. Only available for SIMOS 18 equipp

Brand:
Unitronic - Corporate Logo
ES#:
4368630
Mfg#:
20TSI-GEN3-3D-UC
In Stock
ON SALE!
$1614.99

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

$1464.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Other Volkswagen Performance ECU Software / Tuning

Let us help you find the parts that fit your Volkswagen

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings