Product: Hickok HICBPT02 Back Pressure Tester (BPT02)
Brand: Hickok
Quickly test backpressure and clogged or obstructed catalytic converters. Three stage adapter has12MM & 18MM thread sizes to fit most domestic and import vehicles oxygen sensor ports. The standard 1/4”-20 tip provides the ability to test through the exhaust pipe when O2 sensor ports are Inaccessible.* High temperature silicon hose prevents damage to tester from high exhaust temperatures.Kit Contents: 0-15 PSI gauge 6” High temp silicone tube 3 Stage adapter Flange adapter Blo-molded carrying case!
Easy to install 3 stage adapter
plus Adapter flange
Removable 6" high temp silicone tube
and 0-15 PSI gauge with 2-1/2 face
Access most common O2 sensor ports or self tap access

Search query: exhaust back pressure tester
Relevance: Exact