Search query: exhaust back pressure tester

Product: Kweiny Exhaust Back Pressure Tester for Automotive Catalytic Converter Clog Test Gauge Specification:
Pressure gauge: Positive pressure range 0-14psi,Negative pressure range 0-25inHg
Connection joint: M12x1.25, M18x1.5
Package include:
1 x pressure gauge
1 x high-pressure hose
2 x connection joint
2 x clamps
1 x users manual.
NOTE:
The pointer of the gauge can be manually calibrated. The Gauge may be impacted during transportation, so that the pointer may be not in the initial state #0. You can disassemble the shell and manually adjust it to #0 with a screwdriver, which will not affect its measurement results. Main Usage:Test the pressure in the front of catalytic converter to determine whether the exhaust is blocked;
Connection:Remove the oxygen sensor on the front of catalytic converter, install the hose and gauge in the position of the oxygen sensor;
Compatibility:Package include 2 types of joints(M12 and M18), fit with 2 types common oxygen sensor thread;
Specification:Pressure gauge readings in psi and bar. Positive pressure range 0-14psi. Negative pressure range 0-25inHg. It can also be used for additional purposes, such as intake manifold vacuum test, cylinder and fuel pump pressure test.It must match the right joint(package not include);
Quantity:1 x pressure gauge, 1 x high-pressure hose, 2 x connection joint, 2 x clamps, 1 x users manual kweiny black

Product: Tool Aid (TA 33600) Exhaust Back Pressure Tester Test for clogged or obstructed catalytic converters and mufflers. Fast and easy to use. Threads into Oxygen Sensor Port. Kit includes 12mm and 18mm adapters to fit most domestic and importaed vehicles. Gage measure 2 ½ diamter and has dual scale: 15 PSI and 1.00 Kg/Cm2. Hose is 41 long, No need to tap into exhause system then reseal holes afterwards. Packed in a vinyl pouch for store display and toolbox storage. Complete with instructions. Exhaust Back Pressure Tester SGT-33600 Tool Aid