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Mercury Grand Marquis Magnaflow Exhaust, Mufflers & Tips

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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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Magnaflow Exhaust Systems Reviews

very nice

Reviewed By steve g (HIGHLAND, IN) Reviewed for a 2008 Pontiac Grand Prix —10/3/2015 4:33 PM

Looks good and wasn't too pricey and great pick up, but a little too loud in my opinion.

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Magnaflow Performance Mufflers Reviews


Reviewed By Jose S (Arlington, TX) Reviewed for a 2005 Ford F-150 —10/1/2015 7:37 PM

Excellent product fast shipping and very good price will recommend! !!

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