Flowmaster or Dynomax
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Joined: Jan 2011
Posts: 297
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From: Wilmington, Massachusetts
Car: 1983 Z28/2000 ZR2
Engine: CFI to carbed 305/ 4.3
Transmission: Built 700r4/4L60e
Axle/Gears: 3:23/3:73
Flowmaster or Dynomax
Hey guys, I'm looking to switch out mufflers on my 83 Carbed Camaro. Mildly modded with an Edelbrock top end as well as newer manifolds and new catback with Flowmaster muffler. My plan is to run the cat for now and do a muffler shortly after the cat with a turn down. Now, I'm either thinking of going with a Dynomax Bullet, Flowmaster 10 series or Flowmaster Super 44. What do you guys recommend? I want a good tone without a lot of high end rasp.
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Joined: Dec 2010
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From: Omro Wisconsin
Car: 86 IROC-Z
Engine: 383 Stroker Vortec
Transmission: 700r4 Built
Axle/Gears: 3:42
Re: Flowmaster or Dynomax
i had flowmaster 80s on my formula and now i got dynomax on my 86iroc flowmasters are loud no matter what rpm your at the dyno max is more of a quieter more controlled sound but still sounds mean when you stomp on the gas
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Joined: May 2004
Posts: 360
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From: West Texas
Car: '82 Camaro
Engine: 305
Transmission: wc T5
Axle/Gears: 3.23 posi
Re: Flowmaster or Dynomax
You probably have to run a cat up there in Mass, right? Both Dynomax and Flowmaster, and probably some others, make matched cats and mufflers. My brother has a stainless Loudmouth system on his LS Camaro and you can't hear the radio.
My '82 carbed 305 has a factory 3" HO intermediary pipe, Flowmaster 80 and Hedman headers; I love it but it's not necessarily the best, depends on your taste.
My '82 carbed 305 has a factory 3" HO intermediary pipe, Flowmaster 80 and Hedman headers; I love it but it's not necessarily the best, depends on your taste.
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Joined: Jul 2009
Posts: 344
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From: Danville, KY
Car: 1988 IROC-Z
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: 3.73
Re: Flowmaster or Dynomax
i had dynomax and it was good for daily driving but i like noise and i like it all the time when i drive so imma go with something different next time.
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From: Fairhope, AL
Car: 89RS(other cars & pics in vBgarage)
Engine: LO3, 305 TBI Mildly Modified
Transmission: BakerBuilt 700R4 w/B&M Megashifter
Axle/Gears: 3.23 Auburn Pro Series LSD
Re: Flowmaster or Dynomax
i had a flow it sounded good from the out side, but droaned like a s.o.b. inside ..... i had it on there 8 years and just changed out for a cherry bomb vortex, i got a video on you tube of it, but this is going to be like going to a bar and asking bud or miller, everyone is going to have a favorite
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Joined: Nov 2004
Posts: 80
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From: south dakota
Car: 1991 z28
Engine: 5.7 tpi
Transmission: th700r4
Axle/Gears: 3.23
Re: Flowmaster or Dynomax
I got the DynoMax. I love the sound. Good low rpm rumble, Great acceleration, higher rpm, "music", so I've been told. I am happy with it. To each his own! Randy
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Joined: May 2004
Posts: 360
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From: West Texas
Car: '82 Camaro
Engine: 305
Transmission: wc T5
Axle/Gears: 3.23 posi
Re: Flowmaster or Dynomax
Exact-a-mundo: I just finished a 700 mile drive, did 3/4 of it with the window down so I could listen to my Flowmaster. To each his own.
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Joined: Aug 2007
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From: Fairhope, AL
Car: 89RS(other cars & pics in vBgarage)
Engine: LO3, 305 TBI Mildly Modified
Transmission: BakerBuilt 700R4 w/B&M Megashifter
Axle/Gears: 3.23 Auburn Pro Series LSD
Re: Flowmaster or Dynomax
thats what i like is i can hear mine with the wondows down and not so much up with a/c on

hey aslong as you like your sound who cares about others thoughts
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From: Manteca,California. Nor Cal.
Car: SOLD IT. Mopar guy only now.
Engine: gone
Transmission: gone
Axle/Gears: gone
Re: Flowmaster or Dynomax
I am running a dynomax ultra flo its tame yet pretty loud when you get on it. the bullets would be a lot louder thats what id recomend
Joined: Jun 2009
Posts: 208
Likes: 2
From: WI
Car: 1986 chevy camaro z28 coupe
Engine: crate 355
Transmission: 700r
Axle/Gears: 3.42
Re: Flowmaster or Dynomax
I have the Flowmaster 80 series and couldnt be happier. I started out with a Borla and only ran it a month then put a Flowmaster on there. If you are looking for sound, its the way to go in my opinion. It sounds like what I think a muscle car should sound like. Post a sound clip when you do it.
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From: Manteca,California. Nor Cal.
Car: SOLD IT. Mopar guy only now.
Engine: gone
Transmission: gone
Axle/Gears: gone
Re: Flowmaster or Dynomax
i got an 80 series flowmaster with the 4th gen camaro stainless tips on it. id be wiling to sell but shipping is probably going to cost some $$$$
Joined: Jun 2009
Posts: 208
Likes: 2
From: WI
Car: 1986 chevy camaro z28 coupe
Engine: crate 355
Transmission: 700r
Axle/Gears: 3.42
Re: Flowmaster or Dynomax
Not as bad as you think. I just shipped a Borla muffler to Puerto Rico and I think it was only 40 bucks. Gotta be cheaper state side.
EDIT** It was 45 with insurance and signed delivery overseas.
Last edited by matts86cam; Jun 28, 2011 at 12:40 AM.
Supreme Member
iTrader: (25)
Joined: Feb 2006
Posts: 7,260
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From: Manteca,California. Nor Cal.
Car: SOLD IT. Mopar guy only now.
Engine: gone
Transmission: gone
Axle/Gears: gone
Re: Flowmaster or Dynomax
yeah it is the muffler, dual tail pipes and tips its going to be more than 45 for sure unfortunately
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Joined: May 2004
Posts: 360
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From: West Texas
Car: '82 Camaro
Engine: 305
Transmission: wc T5
Axle/Gears: 3.23 posi
Re: Flowmaster or Dynomax
My muffler man put 45 degree turndowns just inside the rear bumper from my Flowmaster, no chrome or stainless tips, looks like an old superstock car, understated, and sounds great. Inside you can just hear it until you turn up the music a bit--now planning a 1,000 mile trip to northern New Mexico and Colorado, love that sound.
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