Get ready to experience IE's Performance Software For your Audi 2.5T 5 cylinder engine in only minutes while enhancing the refined factory feel enthusiasts love. Impressive gains are realized on stock cars or take it to super-car levels on Stage 2 with upgraded hardware. The software can be installed in minutes from the comfort of your home garage or driveway.

IE Tunes for your Audi RS 2.5 TFSI engine are available for Stage 1 stock hardware setups or with modified hardware for Stage 2. Read below to determine the best stage for your build!

You will also need the Integrated Engineering IE POWERLink Cable to flash your car.

• Stage 1 & Stage 2 files available to match any level of bolt-on parts
• Horsepower & torque gains maximized, especially in the mid-range
• 91, 93, 100, 104, and ethanol E85 fuels available at no extra cost
• Stock boost control optimized for a smoother driving experience
• Rev limiter increased to 7200 RPM in manual mode or with DSG flash  
• Quick and easy to tune your car at home
• Exhaust flaps programmed to open under boost
• Launch control boost pressure increased for faster starts
• Increased rev limiters (transmission stock shift points remain)
• Road speed limiters removed
• Boost safely reduces as engine temps increase for engine life
• POWERlink allows file and octane switching in less than 2 minutes  
• Annoying cold start rattle eliminated
• Engineered for all climates and elevations
• Simple data logging for diagnosis purposes
• Flash back to stock at any time

What does a 2.5TFSI ECU Tune do?

IE's motorsport-inspired ECU calibration retunes your engine to fully release the complete performance potential from your Audi RS without sacrificing reliability or comfort. Check it out!

Stage 1- Up to 517HP and 527BTQ on stock hardware

The IE Stage 1 ECU Tune is precisely calibrated to make the most of your stock Audi 2.5T. Power gains are delivered smoothly across the entire powerband and many performance features have been added. Enthusiasts will have the choice between several fuel octanes (91, 93, 100, 104) and the ability to flash back to stock within minutes. As another added benefit the IE Stage 1 Tune has been designed to adapt to minor bolt-on modifications, such as an intercooler or intake 

Stage 2 - Up to 577HP and 592BTQ with matching hardware upgrades

Our Stage 2 ECU tune is designed for matching bolt-on hardware for when you are ready to release every last ounce of power from your stock turbo 2.5T engine. Stage 2, when matched with performance downpipe, intake, and intercooler, will deliver up to 577HP and  592BTQ delivering record-breaking power and the ability to run 10's in the quarter mile (location and conditions depending)! You have your choice of pump fuel octanes 91, 93, 100, and 104. If you're real power hungry, Stage 2 also includes ethanol fuel E60-E85. Get ready to experience the true power monster that has been hiding under the hood of your 8V RS3 or TTRS!

Available Octanes

Stage 1 Octanes:

• 91 octane
• 93 octane
• 100 octane
• 104 octane
• E60-E85 ethanol*

Stage 2 Octanes:

• 91 octane
• 93 octane
• 100 octane
• 104 octane
• E60-E85 ethanol*

How to install the tune

IE's own in-house developed Integrated Engineering IE POWERLink Cable gives you the control to unlock your engine’s true potential from your own garage or driveway. Enjoy the freedom to quickly reflash your car’s engine control unit (ECU) or transmission control unit (TCU) with IE’s line of performance tunes. The cable simply plugs into your vehicle’s OBD-2 port delivering instant access to choose different IE Tune stages to match installed hardware, take advantage of different fuel octanes, flash back to stock, perform engine diagnostics, read/clear codes and gather high-quality operating data via logging.

System Requirements

Laptop or tablet with Wifi connection and USB port running Windows 7 or above operating system required. Powered by 32 or 64 bit processor with 1.0GHz or greater and 4GB of Ram.

Power Gains

Stage 1 (91 Octane)

Stage 1 (93 Octane)

Stage 1 (100 Octane)

Stage 1 (104 Octane)

Stage 2 (91 Octane)

Stage 2 (93 Octane)

Stage 2 (100 Octane)

Stage 2 (104 Octane)

Stage 2 (E60-E85 Blend)

• AUDI - RS3 8V.5/MK3 2.5T ENGINES (2017-2020)*
• AUDI - TTRS 8S/MK3 2.5T ENGINES (2016-2020)*

*IE 2.5T RS3/TTRS ECU Tunes do not currently support 2019+ model years.

IESOVO21 (Stage 1)

IESOVO22 (Stage 2)

Manufactured by

Integrated Engineering (IE)

Rest of World (ROW) Support

IE tunes are designed and written on North American (NA) vehicles. Although IE does offer ROW purchases of software files, some ECUs available only in certain countries or markets may not be supported in our current file library. If you have access to read your ECU code, please contact us to verify compatibility before purchase

Consumer Notice: 

BY PURCHASING A MOTORSPORT/RACING PRODUCT ("PRODUCT"), YOU REPRESENT THAT YOU UNDERSTAND AND AGREE THAT: THE PRODUCT IS NOT DESIGNED TO MEET ANY APPLICABLE EMISSIONS STANDARDS, WHETHER IN THE USA OR OTHERWISE, THE PRODUCT IS NOT C.A.R.B. COMPLIANT, AND THAT THE PRODUCT IS NOT FOR SALE OR USE IN CALIFORNIA, USA NOR ANY OTHER JURISDICTION WHERE THE SALE OR USE IS PROHIBITED BY LAW. INTEGRATED ENGINEERING, LLC MAKES NO REPRESENTATIONS, WARRANTIES, OR CLAIMS THAT THIS PRODUCT COMPLIES WITH ANY APPLICABLE EMISSIONS LAWS AND EXPRESSLY DISCLAIMS ANY AND ALL SUCH REPRESENTATIONS, WARRANTIES, AND CLAIMS, WHETHER EXPRESS OR IMPLIED. BY PURCHASING THIS PRODUCT, YOU REPRESENT, WARRANT, AND AGREE THAT IT IS YOUR RESPONSIBILITY TO INFORM YOURSELF OF ANY LAWS OR REGULATIONS THAT MAY APPLY TO YOUR PURCHASE AND/OR USE OF THE PRODUCT.