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Cadillac DeVille Performance Mufflers

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Latest Customer Reviews

Magnaflow Performance Mufflers Reviews


sound great

Reviewed By JOHN D (CARLISLE, PA) Reviewed for a 1967 Cadillac DeVille —5/11/2016 4:43 AM

Custom made a dual exhaust on a '67 Caddy. These sound great

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Flowmaster Super 40 Series Mufflers Reviews


super duper 40 series

Reviewed By ryan r (Clare, MI) Reviewed for a 1966 Cadillac DeVille —8/2/2007 8:52 AM

this muffler sounds awsmome on my 66 cadillac, nice rumble at an idle, music to my ears during smokey old tire burnouts.

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Flowmaster Original 40 Series Mufflers Reviews


Roaring sound

Reviewed By Osman T (Detroit, MI) Reviewed for a 2001 Chevy Monte Carlo —5/23/2017 9:52 PM

Bought and installed these original 40 series mufflers on my 2001 monte carlo. It makes a great roaring sound that's controlled as per the throttle response. I can take off with easy acceleration and it makes a noticeable sound (roar) I slam the pedal to the metal and it gets much louder which is exactly the type of sound how and when I wanted. No interior drone. So this was done on my stock everything v6 3.8L engine. Now i can imagine the sound from these mufflers onna v8

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