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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


Excellent Muffler

Reviewed By David B (Raleigh, NC) Reviewed for a 2012 Chevy Silverado —6/29/2016 11:32 AM

Magnaflow mufflers in my opinion are the best choice in every category. Nice looking, superb quality, long lasting, and the perfect deep tone. No hollow beer can resonance like some of the competitors. I have used the large body Magnaflow muffler on numerous SUV's & truck's and have never been disappointed. The large body (12588) also eliminates the drone effect in newer vehicles with AFM cylinder drop. Great muffler...highly recommend!

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