Jet products are absolute total and complete POS'es. They are a fradulant company that blatently rips customers off with bogus reprogramed ECU's. I would not give them a penny. Mike --- Jamie Vitale <j_vitale@mail.plymouth.edu> wrote: > Has anyone used a jet performance products pcm(power > control module) on an > sr20de? Do they work? Where do you notice the most > drastic imcrease in > power?