A FAILURE IN EITHER OF THE TWO RUBBER OR NEOPRENE HOSES IN THE AIR INJECTION SYSTEM WILL ALLOW EXHAUST GASES TO BACKFLOW AND CAUSE A FIRE. IF THE LOWER HOSE BREAKS THE DISTRIBUTER AND WIRING WILL IGNITE. A FAILURE AT THE AIR INTAKE REED SYSTEM COULD POSSIBLY IGNITE IT AS IT IS NON- METAL. ADDITIONALLY IF THE VEHICLE IS BEING WORKED ON WITHOUT THE AIR CLEANER ASSEMBLY ON THE CAR EXHAUST WILL BACKFLOW OUT OF THE AIR INJECTION TUBE AND IGNITE THE NON METALLIC PORTIONS OF THE HOSE.