I want to install an air horn in my vehicle that will put the fear of God in the assholes that cut me off every morning. I'm tired of pushing the steering wheel down and hearing the weak hardly ...

For the record, I'm about as passive a driver these days as you'll find on the road. I don't drive 45 in the left lane, that's for damn sure, but I don't drive like my car is a penile extension either ...