Wynn’s Catalytic Converter & Oxygen Sensor Cleaner

HOW TO USE

1. Shake well.
2. Hold can upright and spray liberally on surface to be cleaned.
3. Let Tuff Stuff® foam work for 30 to 40 seconds.
4. Scrub with damp cloth, sponge or brush if required.
5. Wipe clean with dry cloth.
6. To avoid spotting, wipe overspray from glass or car finish before it dries.