Xiaomi opens free aerodynamic retrofit for SU7 Ultra hood owners after months of backlash

Xiaomi has begun offering a free aerodynamic hardware upgrade for SU7 Ultra owners who chose the optional carbon-fiber dual-duct hood, marking the company’s clearest response yet to criticism that the part’s vents were more cosmetic than functional. Appointments for the retrofit opened on March 10, 2026, and the service adds internal aerodynamic vanes inside the hood ducts to improve airflow management at speed.

Xiaomi’s SU7 Ultra hood gets internal vanes

The upgrade targets the optional hood package on the high-performance SU7 Ultra and changes the ducting from the inside. According to the reported service description, the new vanes work with the car’s active intake grille and are intended to regulate airflow more precisely during Track Mode or above 150 km/h. Xiaomi says the modification improves downforce, although it also increases energy consumption slightly.

Owners who have completed the work report that the added hardware is visible inside the hood’s scoop area. The installation takes about two to three hours and is being offered without charge to eligible customers through official service channels.

A technical fix for a trust problem

The retrofit follows months of dispute over the hood’s original design. After the SU7 Ultra launched in 2025, some owners argued that the 42,000 yuan optional carbon-fiber hood did not deliver the performance effect suggested by Xiaomi’s marketing, setting off complaints and legal action. By adding real airflow hardware after delivery, Xiaomi is effectively trying to close the gap between the option’s branding and its physical function.

That matters because the SU7 Ultra sits at the top end of Xiaomi’s EV lineup and depends on credibility as much as outright performance. For a halo model, especially one sold with track-oriented hardware claims, small mismatches between marketing language and engineering reality can become a commercial problem as quickly as a product issue.

Why the update matters beyond one option package

The SU7 Ultra is still positioned as Xiaomi’s most aggressive electric sedan, with a tri-motor all-wheel-drive layout and a price point that places it in the premium performance segment. A free retrofit does not change the car’s core architecture, but it does show Xiaomi is willing to support hardware after sale in a way that looks closer to iterative consumer-electronics service than traditional automotive product management.

That approach may help Xiaomi limit damage from the hood controversy while keeping the car’s performance image intact. It also gives the company a practical way to demonstrate that track-oriented aero claims are backed by visible engineering, not just styling.

For SU7 Ultra owners, the result is simple: a contested option has become a real aerodynamic part, installed after the fact and meant to perform as advertised.