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Audi RS3 8V (2018+) 2.5T

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Audi RS3 8V (2018+) 2.5T Performance ECU Software / Tuning

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APR Stage 3 DTR8563 2.5T EA855 EVO (MQB) Performance ECU Software - Upgrade From Stock

ES#4899283 - 25TG2STG3UPG - APR Stage 3 DTR8563 2.5T EA855 EVO (MQB) Performance ECU Software - Upgrade From Stock - Max gains of +166-289 AWHP and +117-203 AWFT-LBS depending on octane - APR - Audi

Max gains of +166-289 AWHP and +117-203 AWFT-LBS depending on octane Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
Must have Auth Code from T4100004 to purchase. Requires TCU tune. This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
4899283
Mfg#:
25TG2STG3UPG
In Stock
$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Stage 2 ECU Tune With POWERlink Cable

ES#5503802 - IESOVO22 - IE Stage 2 ECU Tune With POWERlink Cable - Average gain of 158 horsepower and 184 lb-ft of torque on 91 Octane - Integrated Engineering - Audi

Average gain of 158 horsepower and 184 lb-ft of torque on 91 Octane 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
5503802
Mfg#:
IESOVO22
In Stock
Starting at $179.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Stage 1 ECU Tune With POWERlink Cable

ES#5503801 - IESOVO21 - IE Stage 1 ECU Tune With POWERlink Cable - Average gain of 102 horsepower and 123 lb-ft of torque on 91 Octane - Integrated Engineering - Audi

Average gain of 102 horsepower and 123 lb-ft of torque on 91 Octane 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
5503801
Mfg#:
IESOVO21
In Stock
Starting at $179.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Neuspeed Power Module EVO - RS 3 8V Quattro

ES#4906470 - 64.02.05 - Neuspeed Power Module EVO - RS 3 8V Quattro - Proprietary tune box designed specifically for the EA855e DAZA 2.5L TFSI with gains of +65 Horsepower / 100 ft-lb of Torque! - Neuspeed - Audi

Proprietary tune box designed specifically for the EA855e DAZA 2.5L TFSI with gains of +65 Horsepower / 100 ft-lb of Torque! 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Neuspeed - Corporate Logo
ES#:
4906470
Mfg#:
64.02.05
Ships in 2 Business Days
5% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$649.00

This product was last offered at the strikethrough price on
08-12-2026

$616.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance ECU Software / Tuning

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.

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

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