Fabspeed Audi RS5 (B9) XperTune Performance Software (2018+)

Achieve maximum power from the 2018+ Audi RS5 (B9) 2.9L engine without sacrificing drivability or reliability by optimizing the engine's performance. Performance ECU software upgrade improves horsepower, torque, and driving characteristics by reprogramming various sensor inputs, air/fuel ratios, and boost pressure. COMPATIBILITY: Fits all Audi RS5 (B9) 2.9L V6 vehicles 2018+ Stock = 450 WHP / 443 TQ Tuned = 510 WHP / 576 TQ NOTES: This is not a physical/shipped product.  This upgrade requires you to send us your ECU for re-programming. You will be emailed a download link with detailed instructions after adding this to your cart and checking out. You must fill out and include a copy of the ECU Information form along with your ECU upon sending it in. Please contact us if you need to send the form in any other manner. Fabspeed Motorsport saves your stock/factory ECU settings so that you can revert your vehicle back to stock settings at any time. Special requests and tune file up