EuroPrismCo

2021+ Audi RS3 Performance ECU Tune | 8Y/8Y.5 RS3

$2,249.99 Tax included. Shipping calculated at checkout.

4.9 (240+ reviews)

ECU Unlock?: Yes ECU Unlock

Yes ECU Unlock No ECU Unlock *Select this option ONLY if you already have an unlocked ECU*

App-Controlled ECU Tuning Device: No ECU Tuning Device

No ECU Tuning Device Yes ECU Tuning Device

Quantity

Fitment guaranteed
Professional installation available
Worldwide shipping

The 2021+ Audi RS3 Performance ECU Tune | 8Y/8Y.5 RS3 is engineered with a performance-first mindset, redefining how your vehicle responds, pulls, and accelerates.

Key Features:

Fits 2021-2026 8Y Audi RS3 2.5L I5 TFSI Engine
Downpipe readiness with check engine light suppression (for off-road use only)
Enhanced exhaust acoustics with extended or adjustable burble
Factory speed governor removal for unrestricted performance
Octane-specific calibration tailored to your fuel quality
Cold start behavior fully configurable (On/Off)
100% Reversible, always able to go back to stock at any time
Stage 1 (Factory Downpipes) & Stage 2 (EPC Performance Downpipes) Tuning available
App-Controlled ECU Tuning Device (Optional)
Tune from Your Phone
Quick Tune Switching
Wi-Fi & Bluetooth Connectivity
Built-in Diagnostic Tools
Paired to Your Vehicle
Tuning Gains: 75 HP Increase, 75 TQ Increase