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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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Flowmaster Super 10 Series Mufflers Reviews


Sounds mean

Reviewed By David K (LA VERNE, CA) Reviewed for a 2002 Chevy Silverado —2/13/2015 12:11 AM

I have the 5.3 Silverado with magnaflow cats and 3 in piping. I have it dumped before the axle. 20 Inches of piping after the muffler with a turndown..sounds amazing especially cold start. Very deep and very mean

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