Both come with a new top speed of 263 km/h (163 mph) and a price tag of €1,392.
A €2,600 performance exhaust system is also available with 89 mm quad-piped ends.
MTM also aims to offer a sport suspension system on the A7 3.0 TDI which it has just finished testing. 20-inch Bimoto rims are also available for the ride.