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Mercury Grand Marquis Catalytic Converters

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Latest Customer Reviews

Magnaflow Direct-Fit Catalytic Converters - Federal 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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Magnaflow Direct-Fit Catalytic Converters - Federal 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 Universal Catalytic Converters (Federal EPA-Compliant) Reviews


Eastern universal cat converter

Reviewed By James R (THEODORE, AL) Reviewed for a 2003 Chevy S10 Pickup —4/3/2018 9:27 AM

bought converter for a 2003 Chevy s10 to replace the worn out rattling converter that was on it. Fitting was easy, only needed one adapter to go from 3" to 2-1/2. Can not comment on any performance gains from stock as the vehicle is still a work in progress. Shipping was fast, and if needed I would buy again.

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Year Range For Mercury Grand Marquis Catalytic Converters