With the added power, a top speed of 181 mph can be reached. The conversion, which can be made permanent, is priced at 3,700 Euros, while a stainless-steel quad exhaust is available for an additional 4,300 Euros. MTM also offers a choice of its Bimoto alloy wheel sets, priced between 2,100 and 5,300 Euros, and an F-Cantronic lowering module that drops the S6 by 25mm up front and 20mm at the back, which can be yours for 2,000 Euros.