the exhaust used on the heartlandbiker softails.

 

jesse james west coast choppers, he calls them the hell bents. They look cool but don't perform well at all.

 

I think they are called Hell Bent

 

Look like Hell Bent.

http://www.harley-part.com/hell_bent_pipes.htm

Might be the Wet Dreamz, but these don't look as curved.