The only reason I say that is my buyers order has the following:
ESF 6.1 Lites SRT Hemi SMPI V8 Engine Inclues: n/c
***Please be advised that ESF - 6.1 Liter SRT Hemi SMPI V8 Engine has a govenor and a maximum speed of 149 MPH.***
But for the record I too got the TTX option of Performance tires.