Lang Tools TU-24A-PB 3 Way Exhaust Back Pressure Set Brand_Circle 9 Tools Thorough and exact heat treatment

Thorough and exact heat treatment insures the correct balance of strength and durability

7/16" to 1"

Adapters fit 14 & 18mm plugs

Brake bleeding

& tailgates

Lang Tools TU-24A-PB 3 Way Exhaust Back Pressure Set Brand_Circle 9 Tools Thorough and exact heat treatmentThree way tester allows quicker and more accurate testing of exhaust blockages in catalytic converters & mufflers. M68 special gauge has two multi colored bands for measuring at idle and 2500 RPM. The scale ranges are in PSI and bar. Boot included on gauge for extra protection. Includes a 6 foot for testing from driver seat. Can test in three different places: Oxygen Sensor, Exhaust Pipes and Air Injection Systems