27263 Exhaust Back Pressure Tester/Gauge Three-Way Catalytic Blockage Detection Table

Pressure is Shown in and Bar6 inch Hose Allows Use to Test from Driver's Seat, Comes in Blow Mold CaseThe Exhaust Back Pressure Tester\/Gauge allows user to test exhaust back pressure thru oxygen sensor.The oxygen sensor adapter is M12 & thread and features a 2-1\/2 inch easy to read gauge. The gauge has two multi-colored bands to test idle and 2500RPM.Type: Pressure GaugeProduct Name: Back Pressure GaugeMaterial:plasticcolour:redPackage Contents:1 x Pressure GaugeOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.