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Flowmaster Direct-fit Catalytic Converters - 49-State Legal

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    Just because you love the environment doesn't mean you can't also love throwing the hammer down. For some, though, putting the pedal to the metal can make you feel pangs of guilt—like you're cheating on Ma Nature. Fortunately, when you bolt on a Direct-Fit Flowmaster Catalytic Converter, you can stay green while still redlining your speed fiend.

    Equal parts tree-huggin' hippie and road-chewin' hot rodder, every Flowmaster catalytic converter is engineered for maximum pollution control and exhaust flow. Built with oversized ceramic substrates, these cats hold huge amounts of precious metals to strip away more toxins from your tailpipes. At the same time, their fast-flowing design helps accelerate exhaust flow for uncompromised performance.

    Unlike one-size-fits-some cats, Direct-Fit Flowmaster Catalytic Converters are custom designed to mount in place of your factory gear. They're built to last from a fully welded stainless steel casing and come with an integrated heat shield for maximum durability. Better still, your Flowmaster High Flow Catalytic Converter is backed by a 25,000-mile emissions warranty and a 50,000-mile/5-year casing warranty.

    Flowmaster Direct-fit Catalytic Converters - 49-State Legal Customer Reviews

    Average Rating

    40 Customer Reviews


    Reviewed by Thomas V (PLYMOUTH, MI) Reviewed for a 1999 Chevy Suburban — Aug 29, 2015 3:59 AM

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    The Flowmaster Catalytic Converters were a proper fit, there is some resonance that I am working to get rid of, but overall I am happy with my purchase, it arrived quickly and was what was ordered.


    Reviewed by BRENT A (HAILEY, ID) Reviewed for a 2002 Chevy Camaro — Jul 18, 2015 8:57 AM

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    relatively easy to install, good quality, 1/2 the cost of OEM.

    Reviewed by Shannon W (PLAIN CITY, OH) Reviewed for a 2003 Chevy Avalanche — Jul 18, 2015 4:47 AM

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    The internal monolith in one of my factory cats broke loose on my 2003 Avalanche which is a common problem in GM trucks of that age. It was rattling around and caused a catalyst efficiency check engine code. GM Dealer wanted $1500 to source and install their $800 part. The chat window opened and a parts specialist confirmed fit for my application and even knocked a little more off the price. They beat Jegs, Summit, Rock Auto pricing substantially.

    Just right

    Reviewed by Marlon G (MEDFORD, OR) Reviewed for a 2000 Chevy Camaro — Jun 17, 2015 8:13 PM

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    I had a cat that was giving a check engine for low performance, replaced with flowmaster caTs no more check engine. They do what they say, next I'll be putting on flowmaster mufflers


    Reviewed by Jeremias V (Bronx, NY) — Apr 27, 2015 7:57 PM

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    I got an 99 expo even though I have headers on it I felt the difference in sound & performance with these cats yea it's a 49 state product I still put them on & past inspection in NY plus I'm a Ford & flowmaster man also gota 89 mustang gt & 89 Bronco with FLOWMASTERS