Can't seem to find the brand of this muffler, kindly help identify

thanks

Screen Shot 2015-08-13 at 10.16.24 PM by marlonmercado77, on Flickr

Screen Shot 2015-08-13 at 10.12.58 PM by marlonmercado77, on Flickr

Screen Shot 2015-08-13 at 10.12.46 PM by marlonmercado77, on Flickr

Screen Shot 2015-08-13 at 10.12.32 PM by marlonmercado77, on Flickr