Berryman® 4-Step Professional Air & Fuel System Maintenance Kit cleans all major air-intake and fuel system components in all fuel-injected and gas-powered vehicles, including modern GDI and turbocharged engines.
- Safe on catalytic converters and oxygen sensors
- Improves hard starting, rough idle, poor fuel economy and overall driveability
- Proprietary universal application system works with both air-intake and manifold vacuum injection systems
