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Pontiac Grand Prix Performance Mufflers

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Latest Customer Reviews

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 44 Series Mufflers Reviews


2001 pontiac grand prix 3800

Reviewed By lynn l b (Cardington, OH) Reviewed for a 2001 Pontiac Grand Prix —6/7/2012 1:21 AM

i put a pair on my son car not sure what it would sound like on a v6 3.8 liter the sound is great with out any drone noise. my son loves it along with the preformance horsepower.

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Flowmaster 60 Series Delta Flow Mufflers Reviews


A little quiet

Reviewed By Samuel P (Prairie Village, KS) Reviewed for a 1986 Toyota Land Cruiser —11/11/2008 2:05 PM

This is the latest of many Flowmaters I have owned. While the quality was top notch as usual, it was much quieter than any other Flowmaster I have ever had. This is the first 60 series I have owned. I purchased the 60 series since it was going on my daily driver, a 1986 Toyota Land Cruiser, but it was not any louder than the stock muffler. The sound quality is better, but I cannot hear it inside the cab. I am considering replacing it with a 40 series. Glad I had the muffler shop clamp it rather than welding it.

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