Originally posted by souljad9
the only difference between the lev and ulev engines is about 2hp and 3# of torgue. And most of it is because of the ecu programming. I don't think that there is anything actually different with the exhausts.
For instance, in my car (auto) it starts off in second gear if you dont press down on the gas too hard, to save emissions. Its all in the ecu.
yep it's the ecu. maybe get a non-ulev ecu, but it's still probably not worth it.