Haldex tuning ECU kit GenIV, Switchable modes for Audi TTRS

Take full control of your Quattro system with selectable performance modes

Unlock the true capability of your Audi TTRS (Gen IV Haldex) with a fully switchable ECU upgrade designed for drivers who demand precision, flexibility, and performance. With multiple selectable modes, you can instantly adjust rear‑axle engagement to match your driving style — from daily comfort to full‑attack performance.

Modes: Eco, Stock, Race

Note! Cable/switch or remote/switch is needed for this function