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Porsche Performance Mufflers

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Latest Customer Reviews

Flowmaster Super 40 Series Mufflers Reviews


FINDING EXCELLENT 'S IN SERVICE

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

FAST SERVICE

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Flowmaster 40 Series Delta Flow Mufflers Reviews


Nice rumble

Reviewed By James M (Collegeville, PA) Reviewed for a 2004 Porsche Cayenne —6/29/2007 4:09 AM

Installing it was a breeze. I like the rumble of the Delta 40, however, I wish it was a little louder.

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Flowmaster Super 10 Series Mufflers Reviews


Loud and proud

Reviewed By Cody M (FAIRHOPE, AL) Reviewed for a 2005 Chevy Silverado —7/25/2016 9:47 PM

Not quite as powerful as straights, but way ahead of the other flowmaster models. I have the 3" in and dual 2.5" out and the sound is awesome. I have 12" turndowns right where the bed meets the cab so that causes plenty of cabin drone. Overall great sound from outside. Going from stock to this even added enough hp that i can spin my 35x12.50s on dry pavement. Something i couldnt do before!

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