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Mercury Grand Marquis Performance Mufflers

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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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Flowmaster Super 44 Series Mufflers Reviews


2001 Jeep Grand Cherokee 4.7

Reviewed By Charles F (Sheboygan, WI) Reviewed for a 2001 Jeep Grand Cherokee —3/26/2017 6:27 AM

Took it to the local muffler shop to get it welded on, sounds great.

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Flowmaster Super 40 Series Mufflers Reviews


2005 Pontiac GTO 6 Speed

Reviewed By RENE S (Arlington, TX) Reviewed for a 2005 Pontiac GTO —3/24/2017 6:48 AM

These Super 40's really woke the car up. Very noticeable gain in acceleration. I also had my muffler shop install an X-Pipe and wow did this pairing wake this GTO up. Spent half of what a cat back system would of cost.

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