1973 Husqvarna CR400 OEM Exhaust1973 Husqvarna CR400 OEM Exhaust Here we have the stock OEM Exhaust taken off a 1973 Husqvarna CR400. It has been painted black and shows no signs of rust or corrosion, the pipe has some light shelf ware in the paint and a few small dents and dings. Make sure to look at the pictures carefully before purchasing. This pipe came off a 1973 CR400 model but may fit some other years. Be sure to research before purchasing for any other year bike. Kaplan