OTC 7215 Exhaust Back Pressure Gauge

Now you can quickly read back pressure to determine the amount of restriction in an exhaust system. This gauge accurately measures through the oxygen sensor hole. Its large dial clearly shows pressure from 0-8 PSI. The system has a stainless steel braided tube to with-stand high-heat conditions.

Includes a universal adapter for vehicles with thermactor systems.
Works on domestic and imported vehicles.