A set of weld-on downpipes that come with Kleeman mid-length headers for the M113K on a W211 E55 AMG. May fit other m113K applications but it's on you to do the research. Never used only because I went with a more expensive route with a midpipe setup.
Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.