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10 Best exhaust cleaners of 2026

Save up to 30% off
  • Best Choice

    1

    Mothers Exhaust Tip Cleaner & Polish, 8 oz. (05138)
    Mothers
    9.7
    Exceptional

    Mothers Exhaust Tip Cleaner & Polish, 8 oz. (05138)

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  • Value for Money

    2

    Liqui Moly Catalytic System Clean 300 ml 7110. Cleans The Injection System and The Combustion Chamber.
    Liqui Moly
    9.5
    Excellent

    Liqui Moly Catalytic System Clean 300 ml 7110. Cleans The Injection System and The Combustion Chamber.

    28% Off
    • Part Number:7110
    • Application:Gasoline engines with catalytic converter
    • Product Type:Catalytic system cleaner
    • Volume:300 ml
    • Cleans:Injection system and combustion chamber

  • 3

    STP Exhaust & Emissions System Cleaner, 15 fl oz, Fuel System Cleaner and Gas Treatment to Support Emissions Performance
    STP
    9.4
    Excellent

    STP Exhaust & Emissions System Cleaner, 15 fl oz, Fuel System Cleaner and Gas Treatment to Support Emissions Performance

  • 4

    Dura Lube Severe Catalytic and Exhaust Treatment Cleaner Fuel Additive, 16 fl. oz., (PN: HL-402409 PDQ3)
    DURA LUBE
    9.3
    Excellent

    Dura Lube Severe Catalytic and Exhaust Treatment Cleaner Fuel Additive, 16 fl. oz., (PN: HL-402409 PDQ3)

    • product dimensions: 2.62 x 2.62 x 9.12 inches
    • recommended uses for product: Engines
    • package information: Bottle
    • item weight: 1 pounds
    • special features: EMISSIONS

  • 5

    Cataclean Fuel & Exhaust System Cleaner for Gasoline Engines, 16 oz
    Cataclean
    9.0
    Excellent

    Cataclean Fuel & Exhaust System Cleaner for Gasoline Engines, 16 oz

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  • 6

    Corrosion Technologies Xhaust & Soot Remover, Superconcentrated Cleaner Degreaser For Exhaust Soot, Belly Grime, Brake Dust & Bug Splats, Multi Purpose Aircraft & Fleet Cleaning Solution, 1 Gallon
    Corrosion Technologies
    8.8
    Very Good

    Corrosion Technologies Xhaust & Soot Remover, Superconcentrated Cleaner Degreaser For Exhaust Soot, Belly Grime, Brake Dust & Bug Splats, Multi Purpose Aircraft & Fleet Cleaning Solution, 1 Gallon

    • is discontinued by manufacturer:No
    • product dimensions:6 x 6 x 11 inches 9 Pounds
    • country of origin:USA
    • asin:B08L6YY1VM
    • date first available:October 14, 2020

  • 7

    Cataclean Fuel & Exhaust System Cleaner for Gasoline Engines, 16 oz, 2 Pack
    Cataclean
    8.5
    Good

    Cataclean Fuel & Exhaust System Cleaner for Gasoline Engines, 16 oz, 2 Pack

  • 8

    Dura Lube Severe Catalytic and Exhaust Treatment Cleaner Fuel Additive | 16 Fl oz, 2-Pack
    DURA LUBE
    8.4
    Good

    Dura Lube Severe Catalytic and Exhaust Treatment Cleaner Fuel Additive | 16 Fl oz, 2-Pack

    • manufacturer part number: HL-40240-02
    • exterior: Box
    • country of origin: USA
    • customer reviews:4.1 4.1 out of 5 stars 165 ratings 4.1 out of 5 stars
    • asin:B0BS1WMRRS

  • 9

    Rislone 4720 Cat Complete Fuel, Exhaust, Emissions System Cleaner, 1-Pack
    Rislone
    8.3
    Good

    Rislone 4720 Cat Complete Fuel, Exhaust, Emissions System Cleaner, 1-Pack

    30% Off

  • 10

    3D Grand Blast Engine Degreaser – Heavy Duty Biodegradable Cleaner for Engines, Wheels, Exhausts & More – Fast-Acting, Non-Staining – Made in USA – 1 Gallon
    3D
    8.2
    Good

    3D Grand Blast Engine Degreaser – Heavy Duty Biodegradable Cleaner for Engines, Wheels, Exhausts & More – Fast-Acting, Non-Staining – Made in USA – 1 Gallon

    • Application Areas:Engines, Wheels, Exhausts, Undercarriages
    • Form Factor:Liquid Cleaner
    • Biodegradability:Biodegradable
    • Made In:USA
    • Volume:1 Gallon