Best Safe For Catalytic Converters

Niteo Motor Medic M3911 Liquid Fire Quick Starting Fluid - 7.5 oz.

  • Contains upper cylinder lube and corrosion inhibitor.
  • Safe for all oxygen sensors and catalytic converters.
  • Great for lawnmowers, snowmobiles, snow blowers, and construction equipment.
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Lucas Octane Booster 15 oz -6 Pack

  • Promotes clean fuel burn for fewer emissions.
  • Safe for turbos, oxygen sensors and catalytic converters.
  • Suitable for use in fuel injected and carbureted engines.
  • Provides more boost than most other brands.
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STP Gas Treatment (3 pack)

  • STP Car Petrol Treatment 200ml (CLO51200EN) New..
  • STP Petrol Treatment used regularly helps save fuel by keeping fuel intake systems clean of harmful deposits.
  • fight rust and corrosion in the fuel system.
  • reduce exhaust emissions. Use every 1000 miles / 1600 kms. Safe to use with other STP additives..
  • Suitable for all classic and modern engines, catalytic converters..
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Liqui Moly 20234 Speed Tec Gasoline - 250 ML

  • Provides more driving pleasure through optimized performance yield.
  • The engine starts better and even runs more smoothly.
  • Suitable for all 2- and 4-cycle gasoline engines.
  • Tested safe with catalytic converters and turbochargers.
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BOOSTane Professional Octane Booster 32oz (2 Pack)

  • Safe for catalytic converters & oxygen sensors.
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Lucas Oil 10026 12-Piece/Case 15 oz. Bottle Octane Booster Fuel Treatment Fluid

  • Promotes clean fuel burn for fewer emissions.
  • Safe for turbos, oxygen sensors and catalytic converters.
  • Suitable for use in fuel injected and carbureted engines.
  • Provides more boost than most other brands.
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Lucas Complete Engine Treatment Cleaner & Lubricator (16 oz) - Pack of 12

  • Formulated for Use In All Fuel-Injected Gasoline Engines, Including GDI.
  • Contains Polyetheramine (“PEA”) to Dissolve Carbon Buildup in Combustion Chambers.
  • Cleans ALL Types of Intake Valves, Including Those Found in PFI, TBI, and GDI Engines.
  • Safe On Catalytic Converters and Oxygen Sensors.
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CRC 05319-12PK Intake Valve Cleaner (12/11Oz)

  • Kit Includes 6 Aerosol Cans with Hose Assemblies, 3 Reusable Application Accessories Kits, and 2 Full-Color, Dual-Language Instruction Sheets In English and Spanish.
  • Formulated for Use in All Fuel-Injected Gasoline Engines.
  • Cleans Combustion Chambers and ALL Types of Intake Valves Including: PFI, TBI, and GDI Engines.
  • Safe for Use On Catalytic Converters and Oxygen Sensors.
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Smilyeez BG Fuel Injection System Cleaner PN 210 With Pocket Screwdriver (1)

  • Formulated for Use In All Fuel-Injected Gasoline Engines, Including GDI.
  • Contains Polyetheramine (“PEA”) to Dissolve Carbon Buildup in Combustion Chambers.
  • Cleans ALL Types of Intake Valves, Including Those Found in PFI, TBI, and GDI Engines.
  • Safe On Catalytic Converters and Oxygen Sensors.
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