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Pontiac Grand Prix Catalytic Converters

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Latest Customer Reviews

Magnaflow Catalytic Converters - 49 State Legal Reviews


Half the price of factory, twice the value and performance.

Reviewed By Michelle M (Mayer, MN) Reviewed for a 2004 Pontiac Grand Prix —10/23/2013 8:27 AM

My car has 200,000 miles and my old cat was in need of replacement. Was getting bad mileage and wouldn't even shift past 4k. A stock factory cat for my car was $677 from the dealership- I found my magnaflow for less than half the price. It only took the shop about 45 minutes total to install the direct-fit cat(no problems). My car now runs better than it ever did, no check engine light, my mileage is up, it revs up to redline and I can definitely feel the difference in response and power.

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Eastern Catalytic Direct-fit Catalytic Converters - 49-State Legal Reviews


Catalytic Converter

Reviewed By STAN S (Wausau, WI) Reviewed for a 2004 Pontiac Grand Prix —3/19/2011 9:35 AM

The fit was great it bolted right up.

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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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Year Range For Pontiac Grand Prix Catalytic Converters