Good used dent free left exhaust manifold to suit the following models,

R850R; R1150R; Rockster (11/1999-07/2007

R1150 GS (09/1998-11/2003)

R1150 GS Adventure (07/2001-09/2005)

If there are any doubts to your model, please check the REAL OEM site for your model.