The pic labeld '666' on the original post looks like some sort of uber-high tech camera, or an IR guidance pod for laser guided bombs. Too bad the insides will fill up with carbon and exhaust blackness and ruin the groovy looks.
Wouldn't the black exhaust byproduct buildup on the insides of the muffler end up blocking up the moving mechanism so that it doesn't work properly over time? I'd hate to have to go to Midas stating my muffler wouldn't shift from low into high.