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Porsche 911 Performance Mufflers

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Latest Customer Reviews

Flowmaster Super 40 Series Mufflers Reviews


Reviewed By charles w (Indianapolis, IN) Reviewed for a 1983 Porsche 911 —3/31/2008 8:04 AM


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Flowmaster Super 44 Series Mufflers Reviews

Flow 44

Reviewed By Mark H (ANTHEM, AZ) Reviewed for a 2011 GMC Yukon —10/29/2015 10:11 AM

Had a magna flow on muy Denali w/ 6.2 liter . So glad I changed it out with a flowmaster super 44. Now it sounds great and seems to be getting better mileage as well.

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Flowmaster Original 40 Series Mufflers Reviews


Reviewed By Robert S (Davenport, IA) Reviewed for a 1973 Chevy Camaro —10/10/2015 10:32 AM

Easy buy. Great rumble. Cake for my exhaust guy to install!

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