70 or 50 series?

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Jan 26, 2010 | 06:24 PM

dakota02guy

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From: so cal

70 or 50 series?

i have a 40 series flowmaster on my truck right now and its a bit loud inside the truck. would a 50 or 70 be better off? or any other kind of muffler. any help would be nice

Jan 26, 2010 | 07:11 PM

Hahns5.2

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From: Battle Ground WA

Aero Turbine muffler. They're much mellower when cruising and don't drone, yet they are a bit louder when you get on it. I replaced my 40 series with one and couldn't be happier.

Jan 26, 2010 | 07:13 PM

thunder98110

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From: DC

from FM website it seems like the 70 reduces noise a little better.

Jan 26, 2010 | 08:02 PM

Independentfool

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From: Shelton, WA

get the Flowmaster Delta Flows. They are specifically designed to reduce interior resonance while still sounding great outside the vehicle.

Jan 27, 2010 | 07:53 PM

dakota02guy

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From: so cal

Quote:

Originally Posted by Hahns5.2

Aero Turbine muffler. They're much mellower when cruising and don't drone, yet they are a bit louder when you get on it. I replaced my 40 series with one and couldn't be happier.

all of them are for diesel... does it matter?