When motorcycle enthusiasts say "loud pipes save lives," I don't think are imagining the Red Baron, an insane two-wheel machine powered by an actual aircraft engine. It's a beast. A monster.

It was loud and obnoxious ... Though the Shovelhead had its issues, it was one of the most popular motorcycle engines of its time, and even one of Elvis Presley's motorcycles was equipped ...

There’s only one problem: dirt bikes are really, really loud ... motorcycle meant starting from an electric bike. As designed, one modification of the SilentHawk uses a hybrid engine, so ...

The love of loud is by no means reserved for "Harley ... challenge to Dream Cruise tickets According to the EPA, motorcycle engines, per mile, emit far more air pollutants than passenger vehicles.