The Outdoor Power Equipment Institute 341 South Patrick Street Alexandria, VA FAX OEM Testing and Qualification Catalytic Mufflers

The Outdoor Power Equipment Institute 341 South Patrick Street Alexandria, VA FAX Catalytic Muffler Engine and Equipment Manufacturers –Determine catalyst requirements –Determine secondary air requirements –Determine muffler performance requirements Design and build prototype mufflers for evaluation with a muffler supplier Heat verification and shielding development –Full load Heat testing –Heat soak during shut down –Off cycle temperature verification Customer misuse of the choke Misfire Lack of maintenance ( air filter)

The Outdoor Power Equipment Institute 341 South Patrick Street Alexandria, VA FAX Catalytic Muffler After pop evaluation ( on shut down) Muffler material durability evaluation ( stainless?) Installation durability Fire safety review –debris –refueling fire test ( hexane test) Engine manufacturer emissions durability approval

The Outdoor Power Equipment Institute 341 South Patrick Street Alexandria, VA FAX Muffler Heat Issues Consumer Front Drive Mower

The Outdoor Power Equipment Institute 341 South Patrick Street Alexandria, VA FAX OEM Specific Engine Shrouds May not function on Tier 3 engines New Tooling would probably be specific to California only engine models This is incremental investment by or for the OEM beyond the cost of emission compliance

The Outdoor Power Equipment Institute 341 South Patrick Street Alexandria, VA FAX Muffler Application Consumer Rider 19 Hp Kawasaki Twin

The Outdoor Power Equipment Institute 341 South Patrick Street Alexandria, VA FAX Muffler With SWRI “E” Catalyst 19 Hp Kawasaki Twin