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Pontiac Grand Prix Performance Mufflers

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Latest Customer Reviews

Flowmaster Super 44 Series Mufflers Reviews


Reviewed By jeremy t (LIVINGSTON, TN) Reviewed for a 1998 Pontiac Grand Prix —12/17/2014 8:08 PM

Love the sound easy to install and happy with the fast shipping

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Flowmaster Super 40 Series Mufflers Reviews


Reviewed By Michael L (Pennellville, NY) Reviewed for a 2004 Pontiac Grand Prix —4/30/2013 5:26 PM

wasn't really sure how they would sound with a 3.8L but I guess it is what it is its not some monster v8.But yes I Really do enjoy the deep sound, Ive ALWAYS loved the sound of FLOWMASTER.

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Flowmaster Super 10 Series Mufflers Reviews

Muffler installed on nissan Rogue

Reviewed By Donna A (FAIRPORT, NY) Reviewed for a 2013 Nissan Rogue —10/19/2016 6:09 PM

This muffler is a gift from the loudest Gods. IT doesn't sound ricey at all and is all low. ITs louder then a Porsche. This is loud though like it will vibrate the car and you will ask people to speak up and you cant really hear people on Bluetooth and they cant really hear you but it is so worth. The start up is beatiful

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