S & G Tool Aid 33600 Exhaust Back Pressure Tester
- Threads into the Oxygen Sensor Port.
- Kit 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 1.00KgCm2.
- Hose is 41" long - No need to tap into exhaust system then reseal holes afterwards.
- Complete with instructions.