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Stage 3 Plus ECU tune that adds an upgraded HPFP, injectors, and 4-bar MAP sensors alongside hybrid turbos to unlock a massive 739 horsepower and 710 lb-ft of torque for 2017-2020 Audi B9 S4, S5, and SQ5 models.
Stage 3 ECU tune designed for TTE810 or Pure750 hybrid turbo upgrades on stock fueling to deliver track-ready performance for 2017-2020 Audi B9 S4, S5, and SQ5 models directly from your smartphone.
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
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
Upgraded Launch control, higher shift points and quicker shifts
Call In Or Chat For Best Price!
This product was last offered at the strikethrough price on
09-28-2026
Lifetime Replacement
