The limiter settings....can be raised or lowered. Usually speed, shift points, idle rpm, etc. If you don't plan on going faster than 105, then don't change it. Idle I would leave alone unless it is having trouble staying running. Shift points can be raised from 5600 rpms. But I wouldn't go past like 6000. The exhaust thing I don't know what that is either.

 

Thank you. I lowered the RPM limit between 1 and 2 to get out of low gear quicker. Then raised the limit between 3 and 4 but nothing over the 6000 recommended. Nothing else was changed.