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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


Flowmaster Cats

Reviewed By Jonathan G (KINGWOOD, TX) Reviewed for a 2005 Mercury Mountaineer —7/30/2014 8:52 PM

Replaced the OEM primary cats with the Flowmasters and got a high quality product for a very reasonable cost. Very happy with the end result.

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