Liquid filled gauge for setting up back pressure regulation on butterfly style exhaust brakes to ensure proper operation and possible leaks in your exhaust system that would reduce braking efficiency.
WARRANTY
Parts
- 90-Days
- Refer to Manufacturer's Warranty
EMISSIONS
- This product does not require an EO in California. By nature of its design, it is legal for sale and use in all 50 states. Replacement parts included. (EMS:4)