dB race
v. phr.— «We arrive in the lot of the Autoland Superstore in Niagara Falls yesterday afternoon, for a contest to see who has the loudest car stereo.…The dB race competitions are held all over the world, the international record in the “extreme” category—cars that are so laden with noise insulation, slabs of concrete and reinforced Plexiglas that make them impossible to actually drive on the road—is 179.6 decibels, set by an American last year.…Real decibel racers don’t roll down the windows at all.» —“This race is about volume” in Niagara Falls Guelph Mercury (Ontario) July 30, 2007. (source: Double-Tongued Dictionary)