Star Products STATU24APB Three Way Exhaust Back Pressure Kit
Brand: Star Products

STATU24APB Features: -Product Type:Parts & Accessories -Product Type:Testers -Use:Exhaust & Emissions -Quanitity:Single. Dimensions: -Overall Height - Top to Bottom:2.3 -Overall Width - Side to Side:8 -Overall Depth - Front to Back:11.8 -Overall Product Weight:2.5

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