This Spark Arrestor (Muffler) Kit is designed for the Big Blue® 400 Pro, 400 PipePro® and 450 Duo CST™ models. It effectively safeguards against the discharge of hazardous particles from the muffler, thus reducing the risk of fire incidents. This kit is a requirement when operating in Californian grasslands, brushy areas, forest-covered land, and national forests. Furthermore, it complies with the U.S. Forest Service Standard 5100-1B for your added peace of mind.
