STP 400ml Emissions Reducer Diesel - Clear
Reduce emissions before your MOT: This fuel additive can be used in diesel tanks and is designed to help vehicles pass their emissions test. The formula helps clean components that affect emissions. Simply add to your fuel tank one tank before your MOT.
• Reduces exhaust emissions
• Cleans components that affect emissions
• Keeps key fuel system components clean
• Saves fuel
• Proudly made in the UK