Couple of header questions..

Mopar Exhaust Systems

  1. beanhead

    beanhead Well-Known Member

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    So...thinking about pulling the trigger on a new set to replace the ratty ol' hookers in my 68 satellite/440. Consensus seems to be Doug's or (gulp) some tti's..
    On the Doug's- how will upsizing to the 2" primaries affect my performance (positives/negatives)?
    For both brands, do they have ample clearance around the torsion bars and power steering? (Gotta be better than what I have now!)
    Currently 1-7/8" headers to 2-1/2" pipes and major dinging was required to keep them from slapping the t-bars as the engine vibrates...not that I mind wacking things with a hammer just wondering if it's worth the hassle and $$ to upgrade..thanks!
     
  2. cryplydog

    cryplydog FBBO Gold Member FBBO Gold Member

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    What are you going to do with the 1-7/8" headers?
     
  3. 451Mopar

    451Mopar Well-Known Member

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    What kind of power does the engine make? Likely don't need 2" unless making 600+ HP?
    Have the TTI 1-7/8 on the 440 stroker in the Coronet Convertible. They fit good, but are not cheap. The vehicle is a crusier, not a race car and I just wanted something that fit well and was low hassle (no exhaust leaks.) No complaints on the TTI headers.
     
  4. 493 Mike

    493 Mike FBBO Gold Member FBBO Gold Member

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    I have Doug's 2" on my 493 w/3" exhaust and I did run them on my spare .030" 440 w/509 cam and they felt pretty good. If you ever plan on MORE engine I would buy the 2" now.
    Mike
     
  5. not so famous bob

    not so famous bob Well-Known Member

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    2" tti
     
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    • 66Satellite47

      66Satellite47 FBBO Gold Member FBBO Gold Member

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      Sorry, not sure what your application is. If it's a drag race car 2" is the clear choice. If a street only car, the 1 7/8" seems like better. TTI's fit good on my '66 Satellite. No experience with Doug's.
       
    • khryslerkid

      khryslerkid FBBO Gold Member FBBO Gold Member

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      I bought the Doug's, 2" being on a tighter budget, I'm definitely pleased with them. They stated that the black painted ones won't burn off. They were right, even through the 20 min cam break-in, the black held up. Seems to even be stronger now that they've been heat cycled a couple of times. The clearance around the frame, steering, starter, is great. No hammers were used during the installation.
      20170923_101904.jpg
      20170923_101710.jpg
       
      Last edited: Sep 23, 2017
    • beanhead

      beanhead Well-Known Member

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      Ok thanks guys. Car is a for-fun driver that sees occasional full blast, in the 475-500hp range..I think the 2" Dougs might be a little big also, but I don't see them having smaller for my application, while tti does but with the higher price tag..I guess I would rather shell out than lose low-end torque
       
    • 66Satellite47

      66Satellite47 FBBO Gold Member FBBO Gold Member

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      Could be wrong, but i think TTI has the 1 7/8 header. Call them. Bet Doug's does too. But a 475 - 500 Hp motor really does want the 2" header.
       
    • dieseldazzle

      dieseldazzle Well-Known Member

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      Dougs d451 or d452 depending on b or rb block on every mopar e or b body that I put headers on. Never looked back. Fit like a glove everytime.

      IMG_3406.PNG IMG_0014.JPG IMG_0016.JPG IMG_0098.JPG IMG_1373.JPG
       
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      • beanhead

        beanhead Well-Known Member

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        • Chestrockwell

          Chestrockwell Well-Known Member

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          Love these Mopars can't wait to get headers .
           
          Last edited: Sep 24, 2017
        • Chestrockwell

          Chestrockwell Well-Known Member

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          Btw the ones above look great !! Like the black and the polished !
           
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          • Dennis H

            Dennis H FBBO Gold Member FBBO Gold Member

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            Get your wallet. TTI's were 1k to the door. Just the headers. Been on about 10 years. One ding required near the passenger side pitman.
             
          • HT413

            HT413 Semi Pro Bowler

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            If your budget can't do dougs or tti, my vote is for Flowtech. I'm running their 1-3/4" ceramic coated headers - 451 in my 69 belvedere with stealth heads.

            Nice ceramic coat look like chrome... fit is really good. like $350.

            Took them off for the break in because of the ceramic coat, but I'll put the back in soon enough.
             
          • Basket case

            Basket case Well-Known Member

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            I've been looking at Summit's ceramic headers...just over $400.anyone have experience with them?
             
          • beanhead

            beanhead Well-Known Member

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            Yessir my hookers have been on for break-in on a few motors...I love to paint them first and then during an initial start they put on quite a smoke show! They've gotten the red glow too...
             
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            • Basket case

              Basket case Well-Known Member

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              I have a 383 in my road runner...how is the install on your Belvedere?
               
            • beanhead

              beanhead Well-Known Member

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              I can do a little ding here or there...hammering them along an 8" section of their length is what I'm trying to avoid lol. Where my hooker driver side header went from 4 pipes into the collector was only about 1/4-3/8" from the torsion bar for 8 inches...no likey the bang-bang!
               
            • HT413

              HT413 Semi Pro Bowler

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              Install was pretty much standard mopar big block vs header drama, but they fit w/o a ding.
               
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