IE ECU Stage 1 Tune

Unleash immediate power. The IE Stage 1 ECU Tune delivers a significant boost in performance for your Audi B9 A4 or A5 2.0T, delivering up to 359 hp and 448 ft-lbs of torque. It's a complete plug-and-play solution for improved throttle response, smoother acceleration, and enhanced overall driving dynamicsm. All on stock hardware.

Flash from your phone in minutes. Using IE's PowerLink bluetooth dongle, you can flash tunes, switch between fuel maps (91,93, and TrueFlex ethanol), monitor live gauges, run diagnostics, or upgrade stages directly from your mobile device. No laptop required but you can use one if you want to. It has a USB-C connector at the top.

TrueFlex tuning allows seamless switching between octanes and ethanol blends. The tune auto-adjusts to 91, 93, or ethanol mixtures if combined with the optional flex-fuel hardware, adding another layer of versatility.

Built for reliability and drivability, IE's Stage 1 calibrations preserve all OEM safety checks and comfor attributes. Every parameter is rigorously tested using dyno setups (including their proprietary Sea Level Generator) to ensure performance doesn't sacrifice longevity.

While Stage 1 is optimized for stock vehicles, pairing it with an intake or intercooler upgrades can enhance efficiency and performance even further. When you're ready, bumping up to Stage 2 is simple. You only pay the price difference, and the tune evolves with your hardware.