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Audi S4 Unitronic

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Unitronic Performance Software - Stage 1+ - With UniCONNECT+ Cable

ES#4375901 - 30T-EA839-1+-UC - Unitronic Performance Software - Stage 1+ - With UniCONNECT+ Cable - Gain up to 100 horsepower and 112 lb-ft of torque on 93 Octane - Unitronic - Audi

Gain up to 100 horsepower and 112 lb-ft of torque on 93 Octane This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th

Brand:
Unitronic - Corporate Logo
ES#:
4375901
Mfg#:
30T-EA839-1+-UC
In Stock
ON SALE! SAVE 14%
$1064.99

This product was last offered at the strikethrough price on
08-23-2026

$914.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Software - Stage 1 - With UniCONNECT+ Cable

ES#4376316 - 30T-EA839-1-UC - Unitronic Performance Software - Stage 1 - With UniCONNECT+ Cable - Gain up to 69 horsepower and 97 lb-ft of torque on 91 Octane - Unitronic - Audi

Gain up to 69 horsepower and 97 lb-ft of torque on 91 Octane

Brand:
Unitronic - Corporate Logo
ES#:
4376316
Mfg#:
30T-EA839-1-UC
In Stock
ON SALE! SAVE 15%
$1014.99

This product was last offered at the strikethrough price on
08-23-2026

$864.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Software - Stage 1+

ES#4376314 - 30T-EA839-1+ - Unitronic Performance Software - Stage 1+ - Gain up to 100 horsepower and 112 lb-ft of torque on 93 Octane - Unitronic - Audi

Gain up to 100 horsepower and 112 lb-ft of torque on 93 Octane 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#:
4376314
Mfg#:
30T-EA839-1+
In Stock
ON SALE! SAVE 17%
$900.00

This product was last offered at the strikethrough price on
08-23-2026

$750.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Software - With UniCONNECT+ Cable

ES#4381906 - 30TFSI-D-UC - Unitronic Performance Software - With UniCONNECT+ Cable - Choose the stage that meets your power goals! - Unitronic - Audi

Choose the stage that meets your power goals! This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th

Brand:
Unitronic - Corporate Logo
ES#:
4381906
Mfg#:
30TFSI-D-UC
In Stock
ON SALE!
Starting at $714.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Software - Flashed @ ECS

ES#4465107 - 4.2-5V - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Audi

Choose the stage that meets your power goals! 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#:
4465107
Mfg#:
4.2-5V
In Stock
ON SALE!
Starting at $400.00 USD
Customize
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Software - Flashed @ ECS

ES#4464667 - 2.7T-5VT - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Audi

Choose the stage that meets your power goals! 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#:
4464667
Mfg#:
2.7T-5VT
In Stock
ON SALE!
Starting at $400.00 USD
Customize
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Software - Stage 1

ES#4376317 - 30T-EA839-1 - Unitronic Performance Software - Stage 1 - Gain up to 69 horsepower and 97 lb-ft of torque on 91 Octane - Unitronic - Audi

Gain up to 69 horsepower and 97 lb-ft of torque on 91 Octane 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#:
4376317
Mfg#:
30T-EA839-1
In Stock
ON SALE! SAVE 18%
$850.00

This product was last offered at the strikethrough price on
08-23-2026

$700.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Software - Flashed @ ECS

ES#4381904 - 30TFSI-D - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Audi

Choose the stage that meets your power goals! 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#:
4381904
Mfg#:
30TFSI-D
In Stock
ON SALE!
Starting at $550.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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