Originally Posted by street_tuner87
still, i had a 97 escort that i p/p'd the tb and it seemed to help. it may be small but its just like adding a large intake tube really, more airflow. idk its just an idea really.
ok, but that escort has 12year old technology, now a days car companies are optimizing their cars more and more, so i can believe a 97 escort would see a gain, and an 09 focus wouldnt.