Night Fury
Full Access Member
I have Flowmaster Super 40 Dumped. but before i had magnaflow and its what your looking for.
Magnaflow vs Flowmaster - mufflers only
- Thread starter Narco
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constantmotion
TYF Newbie
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- Dec 21, 2011
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I just had the MagnaFlow #13259 muffler installed on 2011 5.3L GMC Sierra Crew. I kept the stock exhaust (muffler back) and the resonator. I love the sound. I don't like the drone from about 1700-2200 RPMs when going through the gears. It can be kinda annoying. Maybe it'll grow on me. Wound out 70mph there is very little cab noise.
03Dnasty
Full Access Member
I have a Magnaflow part #12595 dual 3" in, 3.5 single out. It sounds awesome, but cruising 70-75 on the highway the drone sucks! 80mph is ok though. Got a Baby on the way now so as I stated in another thread I am thinking about going with the Flowmaster 50 series or maybe Dynomax VT another memeber told me about.
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