| Flowmaster [message #363980] |
Thu, 13 May 2021 22:52  |
thigh19
Messages: 92
Registered: July 2019
Location: Vancouver Wa
Karma: 1
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Has anyone used this? 2 2.5” in, 1 3” out. Flowmaster 40 Series chambered muffler part #425403
My exhaust goes out the back, barely hear it running, don’t think I’d hear this one either.
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| Re: Flowmaster [message #364070 is a reply to message #363980] |
Mon, 17 May 2021 11:12  |
tmsnyder
Messages: 151
Registered: January 2014
Karma: -9
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I put a very similar size, similar price, chambered muffler, 3" in, 3" out on mine after the Y before the 90 into frame. It was loud, and sounded wonderful bouncing back to my ears from passing guardrails and jersey barriers etc. But, ...quite loud. Not the best setup in campgrounds if you want happy neighbors.
After a ~2200 mile trip my wife requested a change in mufflers and I agreed, we added a pair of turbo style mufflers in the stock location, now it's very quiet.
Todd Snyder, Buffalo NY
1976 Eleganza II
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| Re: Flowmaster [message #364073 is a reply to message #363980] |
Mon, 17 May 2021 11:52 |
timthenomad
Messages: 63
Registered: June 2015
Location: Austin, TX
Karma: 5
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I put on 2 of the Flowmaster 7 series after a backfire had blown out some brand new generic aluminum mufflers. The 7s are pretty loud. it's is a nice low growly loud -- nice for an El Camino on Saturday night, but I could really do without it on the RV.
The Flowmasters have endured a few backfires without grenading or showing any ill effects though, so I am grateful on that front.
--tim
Tim Taylor
Austin TX
Philadelphia PA
76 Birchaven (SB)
76 Triumph TR6
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| [GMCnet] Re: Flowmaster [message #364077 is a reply to message #364073] |
Mon, 17 May 2021 12:08 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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We use two Flow masters and have worked on our kit.
We use the Stainless Steel one as it last a long time and has a life
time warranty.
It is quiet.
Go to our web site and view our kit.
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] Re: Flowmaster [message #364080 is a reply to message #364077] |
Mon, 17 May 2021 13:53 |
Silvernort
Messages: 95
Registered: June 2019
Location: Rock Springs, WI
Karma: 0
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Last year for grins and giggles I replaced my rotted out Y tube with a home built resonator. Two 2 and half in front from Flowmasters and one 3 out the side. Hardest part was getting the right angle from box to pipe but once done sounds good.
Cheers
Shane Harvey
1973 26' "Packer Backer", 1976 Palm Beach, 1965 Dart
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