- Test for clogged or obstructed catalytic converters and mufflers
- Fast and easy to use
- Threads into Oxygen Sensor Port
- Gauge measures 2-1/2" diameter and has dual scale: 15 PSI and 1.00 Kg/Cm2
- Hose is 41" long
Kit includes 12mm and 18mm adapters to fit most domestic and imported vehicles. No need to tap into exhaust system then reseal holes afterwards. Packed in a vinyl pouch for store display and tool box storage. Complete with instructions.