2018-2025 Audi RS4/RS5 Performance ECU Tune | B9/B9.5 RS4/RS5

EuroPrismCo

2018-2025 Audi RS4/RS5 Performance ECU Tune | B9/B9.5 RS4/RS5

$999.99 Tax included. Shipping calculated at checkout.
4.9 (240+ reviews)
App-Controlled ECU Tuning Device: No ECU Tuning Device
Quantity
  • Fitment guaranteed
  • Professional installation available
  • Worldwide shipping

2018-2025 Audi RS4/RS5 Performance ECU Tune | B9/B9.5 RS4/RS5

Experience a complete transformation in drivability with EPC Performance ECU tuning, engineered with a performance-first mindset. This upgrade delivers immediate throttle input, stronger and more consistent torque delivery, and a sharper powerband throughout the rev range.

Features:

  • 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
  • App-Controlled ECU Tuning Device (Optional)
  • Tune from Your Phone
  • Quick Tune Switching
  • Wi-Fi & Bluetooth Connectivity
  • Built-in Diagnostic Tools:
    • Scan codes
    • View live vehicle data
    • Record data logs
  • Paired to Your Vehicle
  • Tuning Gains:
    • Horsepower Gain: 60 HP Increase
    • Torque Gain: 60 TQ Increase

Compatible With:

Shipping & returns

Ships in 3–5 business days. 30-day returns on unfitted parts. Tracking provided on every order.

Fitment & installation

Test-fitted in-house for a precise, OEM+ fit. Professional installation available — contact us to book.