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


Happy

Reviewed By Thomas V (PLYMOUTH, MI) Reviewed for a 1999 Chevy Suburban —8/29/2015 3:59 AM

The Flowmaster Catalytic Converters were a proper fit, there is some resonance that I am working to get rid of, but overall I am happy with my purchase, it arrived quickly and was what was ordered.

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Eastern Catalytic Universal Catalytic Converters - 49-State Legal Reviews


thanks

Reviewed By Ray P (COLUMBUS, NE) Reviewed for a 1996 Chevy Impala —8/24/2015 11:00 PM

So far so good

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Year Range For Mercury Grand Marquis Catalytic Converters