Siemens MSS5x N/A Tune
Siemens MSS50 MSS52 MSS54 GEP OTS Performance ECU Tune
Here you have opportunity to order performance tune or get minor adjustments in your current one.
Options you have:
- 155 MPH Speed Limiter Removal
- RPM Limit adjustments up to 9000rpm
- O2 Sensor Bypass
- Air Pump Bypass
- EWS system delete available for S54
- DTC Code disable (CAT Efficiency etc)
- 10-15 HP power increase when Tuned for premium fuel (91US/96Euro)
- 13-20 HP power increase when Tuned for Super fuel (94US/99Euro)
- Supercharger Tune
- Turbo Tune
Returns are not accepted.
GEP products are for off-road use only