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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


Great Service

Reviewed By alice w (MYERSVILLE, MD) Reviewed for a 2004 Mitsubishi Galant —11/15/2014 2:53 PM

had what we were looking for, good price, got really fast.

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


passed emissions

Reviewed By Jorge R (Farmersville, TX) Reviewed for a 1994 GMC C/K 1500 —11/6/2014 6:19 AM

The angle was off a little. I made it work but connecting to my exhaust was/is causing vibration against the frame.

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Year Range For Mercury Grand Marquis Catalytic Converters