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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 Original 40 Series Mufflers Reviews


Replaced original

Reviewed By James W (EDMONDS, WA) Reviewed for a 2001 Nissan Frontier —5/10/2018 9:28 AM

I got the pipe diameter and size of the original muffler, then ordered this one based on required size. The original system was stainless and both pipes were in very good shape, so I was looking for a replacement muffler that as not going to break the bank. The vehicle is 18 years old, so the only other parts that I found were CAT-back with both pipes included priced almost 6X the muffler alone. The old muffler was cut out and this one welded in, and the system is good as new.

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