Star Products (STATU24APB) BACK PRES TESTER 3-WAY XXX
Features and Benefits: 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', enough length for the Technician to test from the driver's seat.