Hoffman (HOFTU24APB)
3-Way Exhaust Back Pressure Kit
Allows quicker and more accurate testing of exhaust blockages in catalytic converters, mufflers, etc. Can test in three different places: Oxygen Sensor, Exhaust Pipes, Air Injection System Special gauge has two multi-colored bands idle and 2500 RPM, with pressures shown in PSI and bar Hose is 6 feet