Chevy Cobalt Forum banner
piggy back
1-1 of 1 Results
  1. Audio/Video
    I was talking to a guy who has a lancer and he said he has a Piggy Back ECU and it helps his engine. Anyone running one on a cobalt. He says there are maps designed for different cars. He has a Split second box i think. Its like a external ecu.
1-1 of 1 Results