One of you out there needs your vehicle ("car, truck, van, boat, RV, motorcycle, ATV, golf cart or any 12 volt supplied power source") to roar like Godzilla, I just know it. So, you're welcome.
The Godzilla Roar Car Horn is available from Boom Blasters ($39.99-$59.99).
Thanks, Maggie!
Godzilla image via The Wrap