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Pontiac Grand Am Performance Mufflers

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Latest Customer Reviews

Flowmaster Super 44 Series Mufflers Reviews

sounds amazing

Reviewed By Alex G (Dubois, IN) Reviewed for a 2004 Pontiac Grand Am —12/3/2011 5:17 AM

This muffler sounds amazing I love the deep rumble it gives at both low and high rpms

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Flowmaster Super 40 Series Mufflers Reviews

Flowmaser Super 40 Series

Reviewed By Desmond S (HIRAM, GA) Reviewed for a 2012 Dodge Ram —10/16/2017 5:23 AM

Great exhaust! I can definitely tell the difference from replacing my 40 series with the Super 40! Same loudness, but slightly deeper tone, a deeper growl! Great pricing!

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Flowmaster Pro Series Mufflers Reviews

Smith trucking

Reviewed By Jefferson H S (Wheelersburg, OH) —8/9/2017 10:37 AM

It works excellent on a 660 Kenworth 475 cat

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