The LOWER REAR CAB FILLER BLANK DS EXHAUST is a practical and beneficial product designed for Mack C713 models from 2002 through 2007. Made of polished stainless steel, this filler blank is available for driver's side, passenger's side, or dual exhaust. It effectively fills the lower rear cab area, providing a clean and finished look. Sold individually, this driver's side exhaust is a reliable and durable solution for enhancing the appearance of your Mack truck.