This is off Hammann website:
http://www.hamann-motorsport.com/en/...engine-tuning/
HAMANN* SPORTKIT HM 670 *
Power increase up to 670 hp / 493 kW
Max. Torque 950 Nm at 1.500 - 5.650 rpm
V/max 300 km/h
Consisting of:
HAMANN Catalyst replacement pipes** Item-No.: 50 071 550
HAMANN Sport rear muffler with 4 tailpipes
HAMANN Optimized curve maps specially for
* * * * * * * Sportkit HM 670
HAMANN Deactivation of standard 250 km/h speed limit
Tires have to cope with higher maximum speed !
! Export only !
The technical data given refers to the German version.
Due to certain legal regulations in different countries,
deviations in the technical data described here can accur.
Results may vary depending on basis engine, vehicle
equipment, transmission, gear and final drive ratios,
wheel/tire combination, etc. To reach the maximum
power of petrol engines, you need to use top graded
fuel Super Plus 98 ROZ.
* It is explicitly stated that the * marked parts are
** race sport parts without german TÜV approval !