- New
Pre-order. Dispatch after series production and required releases are complete; delivery date on request.
TIG-welded stainless steel exhaust with electronic valves for the 4.0 V8 biturbo TFSI quattro.
Bull-X Tronic controller required; Firegum and installation optional.
HG states that ECE approval and documents are still to be confirmed. Road use requires approval for the vehicle and version.
| Vehicle | Engine / power |
|---|---|
| S6 saloon / Avant C7 | 4.0 V8 TFSI quattro · 420 / 450 PS |
| RS6 Avant C7 | 4.0 V8 TFSI quattro · 560 PS |
| RS6 Avant performance C7 | 4.0 V8 TFSI quattro · 605 PS |
| S7 Sportback C7 | 4.0 V8 TFSI quattro · 420 / 450 PS |
| RS7 Sportback C7 | 4.0 V8 TFSI quattro · 560 PS |
| RS7 Sportback performance C7 | 4.0 V8 TFSI quattro · 605 PS |