Star Products STU-24APB Three-way Exhaust Back Pressure Kit

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• This Three-Way tester allows quicker and more accurate testing of exhaust blockages in catalytic converters, mufflers, etc. • The 2-1/4" special gauge has two multicolored bands for measuring at Idle and 2500 RPM. The scale ranges are in PSI and bar. • Furnished with rubber boot to protect gauge. • Hose is 6 feet, enough length for the Technician to test from the drivers seat. Can test in THREE different places: 1. Oxygen Sensor 2. Exhaust Pipes 3. Air Injection System

Product Features

• 1. Oxygen Sensor adapter includes M12 & M18 thread. Flange and gasket also included for cars with flange-type oxygen sensors.
• 2. To test thru the Exhaust Pipes, threaded inserts, and installing tool, sealing screws and washers are included. Testing can be done on either side of catalytic converter and muffler to pinpoint blockage.
• 3. For testing thru the Air Injection System, four rubber adapters and Quick Coupler plugs are included to use at the air injection pipe inlet fitting.

Product Code
STU-24APB			Login for Price!