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2011 GMC Sierra Catalytic Converters

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Latest Customer Reviews

Magnaflow Catalytic Converters - 49 State Legal Reviews


colorado cat

Reviewed By Reginald R (Beckley, WV) Reviewed for a 2011 GMC Sierra —11/30/2011 11:27 AM

Had to purchase a new exhaust manifold/catalytic converter for my 08 Colorado due to a cracked exhaust manifold. With a new O.E.M priced at over $600 and a Magnaflow just a bit more, of course I chose the proven leader in performance. Along with the Catback system I also installed, I can definately feel a difference. Seems to have more horsepower and quicker throttle response.-

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Flowmaster Universal Catalytic Converters - 49-State Legal Reviews


1985 Delta 88 cat replace

Reviewed By Charlene J (Faribault, MN) Reviewed for a 1985 Oldsmobile 88 —8/25/2017 8:41 PM

I purchased a Flowmaster cat converter to stop a check engine light from coming on. I also wanted some extra exht noise even though I only have a 231 V6. Mission accomplished on both.

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Eastern Catalytic Universal Catalytic Converters - 49-State Legal Reviews


Good and as adverstise.

Reviewed By Neil D (NEWARK, DE) —7/1/2016 5:48 AM

It arrive early and it is what i expected to be and i find that a great customer service company.thanks.

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