Features and Benefits:
- Aids in diagnosing clogged or restricted exhaust systems
- Allows comparing backpressure readings ahead and behind of suspected restriction
- Ideal for diagnosing clogged catalytic converters, collapsed exhaust pipes, etc.
- Kit includes small hole punch for use with air hammer, 5/16" x 1/2" self-tapping bolt and test adapter
- Use self-tapping bolts to plug hole after test is completed
Gauge not included.