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#51 |
The Older Generation
![]() ![]() ![]() Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,485
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Re: Flowmasters getting on my nerves...
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I had 40 knockoffs put on the '67 Panel Truck with the LS1/4l60e. The pipes are all the way back and angled out the sides. My hearing is pretty bad and the drone still drives me nuts. I am planning on driving it on some long trips so I am going to have them replaced next Spring, but I don't know what to put on it. I have been thinking about stock type mufflers with electric cutouts. I have 3 or 4 months to think about it.... LockDoc
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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#52 |
Parts and more parts
Join Date: Nov 2003
Location: Lebo, Kansas (middle of nowhere
Posts: 6,821
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Re: Flowmasters getting on my nerves...
I gave up running Flowmasters for a couple reasons. The first one being that I had to replace the muffler way to many times, due to the sidewalls cracking and breaking open and second, due to the sound being too much of a drone to be comfortable. I now run Magnaflow stainless steel mufflers and I get the longevity that I want and the sound is right about where I want it for daily driving. Loud when you are hard on the pedal and a rumble when you are not.
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Frank |
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#53 |
Registered User
Join Date: Aug 2015
Location: Champaign, IL
Posts: 491
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Re: Flowmasters getting on my nerves...
What model Magnaflows are you guys running?
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#54 |
Registered User
Join Date: Oct 2015
Location: Grafton Ohio
Posts: 94
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Re: Flowmasters getting on my nerves...
I had the American Thunder system on my Challenger, it was un-drivable due to drone. I had a muffler shop install a J pipe and zero in cab drone, I regularly drove it out of state.
Done give up on it just put a J pipe in you will love it, I will dig up a photo of mine to show you. it is just a pipe which is capped at the end and the frequency bounces back and cancels itself out. There is a lot of information on the internet on selecting the correct length for the drone RPM. |
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#55 |
Registered User
Join Date: Oct 2015
Location: Grafton Ohio
Posts: 94
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Re: Flowmasters getting on my nerves...
I will find a video of driving at 70 drone free.
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#56 |
Registered User
Join Date: Jul 2010
Location: central michigan
Posts: 1,193
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Re: Flowmasters getting on my nerves...
Is the j before or after the muffler?
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#57 |
Registered User
Join Date: Oct 2015
Location: Grafton Ohio
Posts: 94
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Re: Flowmasters getting on my nerves...
After the mufflers at the tail pipe
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#58 |
Registered User
Join Date: Apr 2004
Location: Las Vegas, NV
Posts: 2,188
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Re: Flowmasters getting on my nerves...
I have dynomax super turbos piped straight out the rear and they are a bit loud behind a stock LS1. No drone and they sound awesome, but I wish I went a bit quieter. YMMV
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RIP EastSideLowLife '72 C20 SWB convert. 5 lug, LS1/4l60e |
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#59 |
Senior Member
![]() Join Date: May 2009
Location: greensboro north carolina
Posts: 531
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Re: Flowmasters getting on my nerves...
i know the feeling on flowmaster
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#60 |
Registered User
Join Date: Aug 2015
Location: Champaign, IL
Posts: 491
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Re: Flowmasters getting on my nerves...
I think I am going to get some Porter Steel Pac mufflers.
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