Exhaust Back Pressure Tester
33600 - S & G Tool Aid Corp (Tool Aid)
Use to test for clogged or obstructed catalytic converters and mufflers. Fast and easy to use - threads into Oxygen Sensor Port. Includes 12mm and 18mm adapters to fit most domestic and imported vehicles. Gage measures 2 1/2" diameter and has dual scale: 15 PSI and 1.00 Kg/Cm2. Hose is 41" long.
