Hey guys,

I just recently got my Japspeed S1 turbo back exhaust in the mail for my Evo IV.

The de-cat doesn't have a bung for the rear 02 sensor, so I'm just wondering how I should go about this, should I get a bung welded in? do I even need to have this sensor? or is this one of those situations where it does nothing, and i'll just need to take out the dash light because it will be on all the time?

Thanks for any help,

Anthony