New TT-Fuelsaver for Tractor and Car-Tuning

The new bio energetic Traktor- Saver for Engines over 4000cm³ can be used for big tractors. If it will be used on car its only for Tuning purposes. This is not regular Fuel saving use !
A customer said after used TT-Fuelsaver in his new Audi A4 Diesel with 115 HP. "It feels like 40 HP more, driving on crushed stone road is not very easy now !"