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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 Pro Series Mufflers Reviews


I was pleasantly surprised at tone and power

Reviewed By Joseph P (Fort Washington, MD) Reviewed for a 2006 Dodge Ram —7/31/2016 12:32 AM

I put the pro series muffler on 2006 dodge 2500 cummins diesel pickup that has a 5in exhaust from the turbo back. (( the cat has been removed)) previous muffler had way to much drone in the cab it was very bad. Placed an order with auto anything had my muffler in 3 day had it put on and Boom , No Drone Quite cab and great power I mean power you can feel through out the power band IMy truck make about 450Hp and I love this pro series muffler

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