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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


love the sound

Reviewed By Enrique M (SAN ANTONIO, TX) Reviewed for a 2000 Ford Excursion —7/20/2016 8:40 AM

i ordered the 10 series after beating up my 40 series it was a great muffler but i wanted a better sounding exhaust for my lifted excursion. now my truck sounds as mean as it looks.

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