Audi S4 and Audi S5 Cabrio by MTM
 

Here's a small review of the Audi S4 and Audi S5 Cabrio by MTM, including the original press release and some photos.

"The MTM tuner is coming with a customization program that improved the engine’s power for both Audi S4 and the new S5 Cabrio. The Audi S4 powered by the 3.0 TFSI engine, becomes more powerful thanks to the use of a new approved control device M-Cantronic and a new 4 rear pipes..."

You can find the article and more MTM related news on TopSpeed.