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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 - 49-State Legal Reviews


Quality

Reviewed By Robert G (REDFORD, MI) Reviewed for a 2000 Audi A4 —2/8/2016 2:07 PM

I have not installed the products yet but they do seem to match up side by side with the old cats that fell off the car. Also the quality looks good.

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


Perfect

Reviewed By William T (ONALASKA, WI) Reviewed for a 1995 Chevy C/K 1500 —2/4/2016 8:56 PM

Perfect fit easy to install liked the split portion of y pipe from right to left made it easier to hook up to headers I installed

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Year Range For Mercury Grand Marquis Catalytic Converters