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Pontiac Grand Prix Performance Mufflers

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Latest Customer Reviews

Flowmaster Super 44 Series Mufflers Reviews


great

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


sweat

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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Magnaflow Performance Mufflers Reviews


Magnaflow Performance Muffle

Reviewed By Jesse G (East Lansing, MI) Reviewed for a 2008 Chevy Impala —12/11/2014 7:38 PM

Overall it was a good Moffle ,but I change it for Flowmaster dbx in my opinion it is better moffle the sound is so much better,like music to my ears ,if you want a good muffle Flowmaster DBX you will be very happy. I have the 3" inlet, 3" outlet and it is awesome!!!!!

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