2017-2025 Audi S4/S5 Performance ECU Tune | B9/B9.5 S4/S5

EuroPrismCo

2017-2025 Audi S4/S5 Performance ECU Tune | B9/B9.5 S4/S5

$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

2017-2025 Audi S4/S5 Performance ECU Tune | B9/B9.5 S4/S5

This ECU tune is designed for the 3.0L V6 Turbo Engine in B9 and B9.5 S4 and S5 models, providing a performance-first approach to drivability.

Full Specifications:

  • Fits: 2017-2025 Audi S4/S5 B9/B9.5
  • Engine: 3.0L V6 Turbo 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
  • Horsepower Gain: 60 HP Increase
  • Torque Gain: 60 TQ Increase
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.

Complete the build

You may also like

2025+ Audi A5/S5 Carbon Fiber Front Lip | B10 A5/S5
EuroPrismCo2025+ Audi A5/S5 Carbon Fiber Front Lip | B10 A5/S5
$1,199.99
2022+ Audi RS Style Honeycomb Grille | D5 A8/S8
EuroPrismCo2022+ Audi RS Style Honeycomb Grille | D5 A8/S8
$1,099.99
Choose options
2025+ Audi A5 Carbon Fiber Trunk Spoiler | B10 A5
EuroPrismCo2025+ Audi A5 Carbon Fiber Trunk Spoiler | B10 A5
$399.99
2025+ Audi A5/S5 Carbon Fiber Front Air Vent Trim | B10 A5/S5
EuroPrismCo2025+ Audi A5/S5 Carbon Fiber Front Air Vent Trim | B10 A5/S5
$349.99