EZGO 72151G01 PVC Air Intake Hose-Gas Used on 1994-2008 E-Z-GO TXT, Medalist, 875, 4/6-Passenger ST Express, Shuttle 950, ST 350, Workhorse 800/1200 and Refresher models Responsible for recycling gas and exhaust fumes from the engine back to the air filter Positive Crank Ventilation Intake Hose