Cataclean Fuel & Exhaust System Cleaner, Automotive Additive, Catalytic Converter Restorer, 16 oz (Pack of 2)
Cataclean Fuel & Exhaust System Cleaner, Automotive Additive, Catalytic Converter Restorer, 16 oz (Pack of 2)
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Mr. Gasket

Cataclean Fuel & Exhaust System Cleaner, Automotive Additive, Catalytic Converter Restorer, 16 oz (Pack of 2)

Key item features

  • Reduces Carbon Build-Up: Specifically formulated to reduce carbon build-up and clean vital components like catalytic converters, DPF filters, and oxygen sensors.
  • Emission Reduction: Reduces hydrocarbon emissions on gas engines by up to 50%, helping your vehicle meet stringent smog and emissions standards.
  • Improves Fuel Efficiency: Cleans fuel injectors and cylinder heads, leading to improved fuel combustion, better mileage, and restored engine power.
  • Resolves Engine Codes: Restores optimal performance and helps resolve common check engine light codes like P0420, P0430, P0171, P0174, P0300, and P0401.
  • Easy Application: Easy to use - simply pop, pour, and go every 3 months.
  • Versatile Compatibility: Safe for gasoline, diesel, e85/flex fuel, and hybrid engines without altering fuel composition.
  • EPA Approved: EPA Approved Patented Formula is 50 state legal.
  • Capless Tank Compatible: Original long nose bottle is capless gas tank compatible.
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Current price is $46.95
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Sold by Boost Projects
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4.416666666666667 stars out of 5, based on 24 seller reviews(4.4)
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4.6 out of 5 stars
stars135 ratings52 reviews
How item rating is calculated
  1. 5 stars76% (102)
  2. 4 stars16% (21)
  3. 3 stars4% (5)
  4. 2 stars1% (1)
  5. 1 star4% (6)

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Showing 1-3 of 52 reviews

Jan 10, 2026
Rodney
Item details
Count: 2
Sold and shipped bySuperShops
5 out of 5 stars review

Verified Purchase

My service engine light was on and was told it's related to my catalytic converter. I followed instructions on using this product and the light has now been off for serval months. Keeping my fingers crossed that it's going to continue. I was quoted over $3,500 for replacement of my catalytic converter because my vehicle has two converters. If you have the same issue you should at least give this a try.

Helpful?7I79TNDEEC1V664379428
Nov 29, 2025
Lisa
Item details
Count: 2
Sold and shipped bySuperShops
5 out of 5 stars review

Verified Purchase

There are only 3 Catylitic Converter Cleaners on the Market commercially %26 this is considered the BEST comparable to those used in F1 racing. It did wonders for my Minivan!!! Never used any before now %26 it really solved the problem; DO EXACTLY WHAT IT SAYS ON DIRECTIONS!!...is what my mechanic said, I DID %26 he was spot on right.

Helpful?7I79TNDEEC1V664379428
Jul 12, 2025
Mike
Item details
Count: 2
Sold and shipped byHeintz Sales
5 out of 5 stars review

Verified Purchase

Catalytic converter cleaner

Been using this for about a year so far everything seems to be good on my catalytic converter issue would buy again

Helpful?7I79TNDEEC1V664379428