looking into buying a pettit ecu , if its from cali does it make a difference since its been reprogrammed? any pros/cons about the ecu ???

 

Yes, it makes a difference. If you put a Cali-ecu in a non-Cali car, you will get a check engine light. Pettit and M2 add a daughterboard to change timing and fuel maps, they don't go messing with things they don't have to....

 

ok appreciate the help , how do i find out if it is a cali ecu or not? any where i can check serial numbers?