Dura Lube Severe Catalytic & Exhaust Treatment is formulated to protect and treat the Catalytic Converter & Exhaust System from oil poisons. This will aid in reducing the carbon footprint of your vehicle and improving overall performance; helping to increase fuel efficiency, and protect your converter.

• Use before replacing your catalytic converter

• Helps pass tests by cleaning the system and removing carbon build-up in catalytic converter.  

• Helps clean oxygen sensors, fuel injectors and cylinder heads which results in improved fuel efficiency

• Use when the warning light is activated 

• Protects the catalytic system from oil poisons

• Reduces phosphorus & zinc retention levels at catalyst inlet

• Lowers tailpipe emissions

How does a catalytic converter work?

ONLY NEED TO USE 4 X PER YEAR: Spring / Summer / Fall / Winter 

Directions: Add full bottle into 16 gals (60 liters) of fuel or 1 oz. per gal. (30 mL per 3.8 L).

Recommend Usage: Use once every 3 months for optimal performance. Results vary on driving amounts and engine conditions.

UPC: 715981402407

Proposition 65 Warning for California Consumers

⚠️ WARNING: This product can expose you to chemicals including Naphthalene, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov

PLEASE NOTE THAT THIS PRODUCT IS NOT INTENDED TO BYPASS, DEFEAT, or SHUT DOWN EMISSION CONTROL DEVICES INCLUDING OXYGEN SENSOR ELIMINATORS, SIMULATORS, OR OTHERWISE ACT IN ANY WAY AS A TUNER OR DELETE KIT.  THE USE OF THIS ADDITIVE WILL NOT ALTER THE FUNCTIONALITY OR OVERIDE MALFUNCTION INDICATOR LIGHTS ON AN ENGINES OBD SYSTEM.