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Mercury Grand Marquis Catalytic Converters

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Latest Customer Reviews

Magnaflow Catalytic Converters - 49 State Legal Reviews


Better than stock

Reviewed By Jason H (Carrollton, TX) Reviewed for a 1988 Mercury Grand Marquis —6/9/2009 8:42 PM

But not high flow. They allow a little better flow than the original converters, but not much more. They do sound better though. If I can get true duals on my car, they may work even better and the y pipe may be the main issue I'm having. Installation was a cake walk. Getting the old ones off was a pain, but these went on very easily. Would have been better if they matched up to the OE air injection without modification, but that's not a big deal.

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Eastern Catalytic Direct-fit Catalytic Converters - 50-State Legal Reviews


Catalytic converter

Reviewed By Brandan C (ALPINE, CA) Reviewed for a 2000 Honda Civic —4/8/2017 9:34 AM

Absolutely awesome... got the part and it bolted right up

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Magnaflow Catalytic Converters - 50 State California Legal Reviews


Magnaflow 50 state catalytic converters

Reviewed By Jaime S (San Diego, CA) Reviewed for a 2000 Chevy Silverado —4/4/2017 2:47 PM

Product was as described after I took my truck to get them installed had no problems whatsoever passing emissions and engine code erase

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Year Range For Mercury Grand Marquis Catalytic Converters