A new aftermarket tuning proposal for the latest Audi S4 sport sedan has been released by German tuner Avus Performance. Starting with the engine, a series of modifications and upgrades that include a custom exhaust system help bring the 3.0-liter supercharged V6's output from 333HP to 430HP.
In order to improve handling, the German tuner adds a new spring kit as well a new set of lightweight 20-inch alloy wheels that are wrapped in 255/30 Hankook Ventus S1 Evo sport tires.
Exterior changes are limited to the front grille and spoiler, and rear diffuser that are simply painted in a shiny black shade. Alternatively, these parts can be ordered in carbon fiber.
As for the interior, Avus offers buyers the choice of various leather finishes and a variety of carbon fiber trim parts.