Required software to properly upgrade to a K04 turbocharger
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio. For vehicles with TSI engines only. Ship your ECU for free, or drive your vehicle to our location
For customers WITH APR Stage 1, moving to the IS38 turbocharger upgrade.
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio.
*Sale applies only to ECU with 3 or 4 program purchase.
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio.
Unlock your 1.8T's hidden potential and add instant thrill to your commute in minutes—no hardware changes required.
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!
Gains of up to 122hp and 142tq depending on fuel type.
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!
Stage 1 ECU tune designed for factory hardware on pump gas to deliver thrilling, track-ready performance for Audi B9 and B9.5 RS4 and RS5 models directly from your smartphone.
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!
Gains of up to 55hp and 61tq depending on fuel type.
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!
The ultimate "no-limits" tier that provides access to every stage and map, including Stage 3 big turbo files for maximum horsepower.
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE! Please see "fitment notes" in the description for full vehicle information.
Stage 1 ECU tune that unleashes up to 505 horsepower and 585 lb-ft of torque for 2017-2020 Audi B9 S4, S5, and SQ5 models directly from your smartphone.
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!
Stage 1 ECU tune that adds up to 314 horsepower and 396 lb-ft of torque for Audi B9 Q5 2.0T models directly from your smartphone.
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE! Compatible with 2017-2020 model years only, and is incompatible with the new 2021+ ECU variations
The perfect entry point for a stock car, delivering a massive Stage 1 power bump with no additional hardware required.
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!
Unleash massive plug-and-play power using your factory hardware and standard pump gas.
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE! For vehicles up through the 2015 model year only.
Upgrade existing stage 1 and stage 2 software to V2 & V3
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio. For existing Stage 1 or Stage 2 customers with an ECU upgrade installed before 5/14/2015. Vehicle must be brought to ECS Tuning for programming.
All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
Lifetime Replacement
