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Technical Mufflers and such

Discussion in 'Traditional Hot Rods' started by dsiddons, Feb 2, 2026 at 7:00 PM.

  1. hrm2k
    Joined: Oct 2, 2007
    Posts: 5,516

    hrm2k
    ALLIANCE MEMBER

    sorry Mark, they were 1 5/8.
     
  2. theHIGHLANDER
    Joined: Jun 3, 2005
    Posts: 10,822

    theHIGHLANDER
    Member

    "My dune buggy has flow-masters and sounds like an old, fat lady walking on a foggy pier, farting with every step...wearing tin can undies."

    Well, that sez it all...:rolleyes:
     
    Toms Dogs, Blues4U, porkshop and 7 others like this.
  3. Mr48chev
    Joined: Dec 28, 2007
    Posts: 36,080

    Mr48chev
    ALLIANCE MEMBER

    I sold a ton of Cherry bombs in the parts house I worked in in the late 80's early 90's. The didn't even come in boxes they came bulk and we put them in a barrel on the end of and aisle in the store and guys would grab them out of the barrel. They were cheap and loud but have no "tone".
    I plan on running Porters on my 48 as they give the sound I want and I want sound way more than loud.
    There are a number of videos showing different cars with Porters on the net.
     
    Just Gary likes this.
  4. warbird1
    Joined: Jan 3, 2015
    Posts: 1,370

    warbird1
    ALLIANCE MEMBER

    Porters on both of my Cad. powered cars. Very happy with the sound on both of them...
     
  5. Moriarity
    Joined: Apr 11, 2001
    Posts: 38,223

    Moriarity
    SUPER MODERATOR
    Staff Member

    I apologize , I did not know that headers were the entire exhaust system
     
    Just Gary and hrm2k like this.
  6. 302GMC
    Joined: Dec 15, 2005
    Posts: 8,523

    302GMC
    Member
    from Idaho

    26'' Hollywood Deeptones .... mid - '50s Mufflers 001.JPG
     
    CoolForSchool58 and Moriarity like this.
  7. 6inarow
    Joined: Jan 24, 2007
    Posts: 2,476

    6inarow
    Member

  8. ronzmtrwrx
    Joined: Sep 9, 2008
    Posts: 1,603

    ronzmtrwrx
    ALLIANCE MEMBER

    Were those tuna cans or something else you were smelling? :D
     
    theHIGHLANDER likes this.
  9. primed34
    Joined: Feb 3, 2007
    Posts: 1,564

    primed34
    Member

    Loud pipes saves lives. If you are going to drive a hot rod it should sound like one. I've got 2.5 pipes and flow masters on the 283 in my '34. The 283 is not stock but not that radical. It sounds way better than straight pipes on a low compression stock cam engine that sound a lot like small Farmalls or John Deeres. I'm 72 and way bit opinionated.
     
    427 sleeper and NoelC like this.
  10. I have a very similar setup SBC and ran straight pipes out the back for a bit but that lasted about a month or 2. It was just too loud.
    I put the dynomax mufflers back on that came
    with the car (I think they are super turbos) , they sound good not too loud not too quiet;, but they do drone around 900-1100rpm....
     
  11. cederholm
    Joined: May 6, 2006
    Posts: 1,761

    cederholm
    Member

  12. tim troutman
    Joined: Aug 6, 2012
    Posts: 1,372

    tim troutman
    Member

    1 7/8 pipes short bullet mufflers past the back of the car for just the right sound with a stick shift
     
  13. chevyfordman
    Joined: Oct 4, 2008
    Posts: 1,522

    chevyfordman
    Member

    I agree with Billy Bandit, I have Magnaflows on two of my cars and I like the sound and I have got thousands of miles on them and they still sound good.
     
  14. ALLDONE
    Joined: May 16, 2023
    Posts: 4,023

    ALLDONE
    Member

    I sell way more magnaflows than any thing... flowmaster went to the bottom quick....but held the ***le for a long time...... on my 4bangers I run split exhaust with 10'' motor cycle mufflers and out dual lake pipes.... has a nice hot rod sound but not too loud cruising.. and my flatheads I split the exhaust side to side 12'' gl*** packs out dual lake side pipes...on my 460,351 and 302's... I run the magnaflows , split dual same side in and out to live lake pipes... real cool sound...just finished ready to do over is my 375hp 327 in my 58.... put borla's.... horrible...
     
  15. Blues4U
    Joined: Oct 1, 2015
    Posts: 8,167

    Blues4U
    Member
    from So Cal

    I have Magnaflow knockoff's on my 47 that came to me with them installed. Stainless steel body, same basic design as Magnaflow's, which means it's a straight through perforated pipe inside a large chamber stuffed with fibergl***. They operate the same as a gl***pack, but the body is much larger with much more sound deadening material to quell the sound waves. High frequencies exit out the perforations and get caught in the muffler body and the low frequencies p*** through out the end pipes with the gas flow. It's a good design and they sound good, not too loud, no droning at all, but still flow well and don't choke the engine. At idle and lower throttle settings it's rather quiet. A**** a bunch of hot rods at a show or rod run you don't even hear it. But when you put your foot in it the volume comes way up and that low frequency boom sounds great. And when your sitting still and stab the throttle and release it you get that typical gl***pack bark and rap under deceleration. You get that same rap under decel when driving it too, down shifts when stopping, especially on a long downhill run, really brings it out. Overall it's a great exhaust note, very b***y, sounds grown up, but maybe a little too quiet for a hot rod Model A IMO. Good for a larger car, especially a sedan, or a road car, a little too tame for a hot rod. Just my opinion of course, your mileage may differ.

    These facebook reels won't embed like youtube videos will, but here's a good example of how it sounds inside the car, with the wind noise and radio going: https://www.facebook.com/reel/1406191542848220
     
    jnaki likes this.
  16. gene-koning
    Joined: Oct 28, 2016
    Posts: 5,978

    gene-koning
    Member

    I'm trying to save what little hearing I have left. I like a low rumble a lot more then loud. I've grown a custom to having a conversation with the person sitting beside me while cruising down the highway at 70 mph.
    As a result, my 49 truck has the entire inside of the cab covered with body insulation/sound deadener, high flow cast iron exhaust manifolds, a single 2.5" exhaust, a single 2.5" inlet & outlet Cheery Bomb gl***pack (at 4 years old and 30,000 miles, the red paint is still present, so the openings must face down stream), and a 2.5" tail pipe out the back of the truck. Sounds pretty good at an idle, sounds good WOT, has a nice low rumble at 70 mph, and I can still carrying on a conversation with the p***enger.

    Exhaust sound is a personal preference, every one has a different opinion of what sounds good.
     
    hrm2k likes this.

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