New performance package for the Audi RS6

This latest power upgrade for the Audi RS6 comes from REIFEN KOCH who is offering a serious power boost to the already sporty German tourer.Even though the standard production version of the Audi RS6 is powerful enough as is for most drivers with its 580HP V10, tuners of all sorts are jumping on the bandwagon lately. German firm Reifen Koch has just released a new performance package for the RS6