|Three Way Exhaust Back Pressure Kit
- This THREE way tester allows quicker and more accurate testing of exhaust blockages in catalytic converters, mufflers, etc.
- Oxygen Sensor adapter includes M12 & M18 thread. Flange and gasket also included for cars with flange-type oxygen sensors.
- To test thru the Exhaust Pipes, threaded inserts, and installing tool, sealing screws & washers are included. Testing can be done on either side of catalytic converter and muffler to pinpoint blockage.
- For testing thru the Air Injection System four rubber adapters and quick coupler plugs are included to use at the air injection pipe inlet fitting.
- Special Gauge has two multi-colored bands-idle and 2500 RPM, with pressures shown in PSI and bar.
- Hose is 6 feet, enough length for the Technician to test from the drivers sea.