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Mercury Grand Marquis 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


Much better than I was expecting.

Reviewed By Wesley J (American Fork, UT) Reviewed for a 2001 GMC Yukon XL —7/21/2016 8:33 PM

I love this exhaust system! I had an installer put it on and he said it was a breeze. To be honest I thought the sound was going to really loud and obnoxious based on a bunch of other reviews, however, on my 8.1L GMC this system sounds absolutely amazing! At idle it's only a little bit different than stock in my opinion. It's when your driving that it really shines.

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