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Mercury Grand Marquis Magnaflow Exhaust, Mufflers & Tips

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Latest Customer Reviews

Magnaflow Glass Pack Mufflers Reviews


True Duals

Reviewed By Torrey S (Mesa, AZ) Reviewed for a 2007 Mercury Grand Marquis —12/23/2015 6:46 PM

mufflers are great, perfect fit and finish, installed on a police P71 exhaust nice rumble but not to loud and better MPG, win win

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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


just what i was asking for

Reviewed By Jeffrey F (Brasstown, NC) Reviewed for a 2006 Mini Cooper —9/20/2016 5:04 PM

the magnaflow exhaust turned out to be just what i was asking for; made my car a good bit louder and noticably faster. my mini's supercharger whine can still be heard but now the car also has the pop and burble when getting off the gas and a deep rich tone when i get on it.... live in the mountains of north carolina on some awesome twisty roads and now the car has the sound to match the fun...

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