Help Would it work? Benzos & malfunctioning catalytic converter

[Depressed&Stressed]

I've been reading around with methods and whatnot and have read that cars aren't an excellent source of CO anymore, but I have an 01 Civic that's got oil blowing all over the exhaust and the cat is malfunctioning/not passing emissions. Would this, a tube connected to the exhaust and sealed to the window with tape, and a bunch of lorazepam be likely to be effective? Or should I be looking more closely at charcoal burner things for CO?

I don't have much money or credit available to me and I'm so frustrated and desperate for this hurting to stop.