1. robedanb

    robedanb Member

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    Just installed 1 7/8" TTI Headers with 3" Flowmaster Ex. Fit great - sound better. 440 with E-Street heads, Flat top Pistons, comp 268AH cam, H-Beam rods, Air Grabber, 727 shift kit, 3.5 sure grip

    aaaaaa 001.JPG
     
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    • Lelo 500

      Lelo 500 Well-Known Member

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      Lets see some pics of the underside and new exhaust!
       
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      • RoasterStrudel

        RoasterStrudel Active Member

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        Yeah, sounds fun! Bring forth the media!
         
      • pr0f3ssor

        pr0f3ssor Member

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        X or H Pipe, i'm waiting on my motor but i've purchased my tti headers. Not sure to go xpipe or hpipe.
         
      • robedanb

        robedanb Member

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        20180418_112409.jpg
        Glad I went with H pipe. Had to cut the pipe at the H and re-weld to make the pipe fit to the header flanges.
         
      • vintage chromoly

        vintage chromoly Well-Known Member

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        Just did the same thing on my coronet.
        Headers fit without a single swing of the ballpeen hammer.

        IMG_1168.JPG IMG_1169.JPG IMG_1171.JPG
         
      • rumblefish360

        rumblefish360 Well-Known Member

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        The X pipe is ever so slightly quieter with a smoother sound where the H pipe is a little more radical. If you want that muscle car cam chop, use the H pipe. It is more pronounced over the X pipe.
         
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        • pr0f3ssor

          pr0f3ssor Member

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          Thank you. Any recommendations for the H Pipe? TTI?
           
        • rumblefish360

          rumblefish360 Well-Known Member

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          TTI has an X or H pipe exhaust set up.
          If your cobbling your own exhaust, a simple H or X pipe from Summit or Jegs will work fine. IMO, an H is easier to install. You just need to cut and fit it in. Not a hard thing to do. A little time consuming.
           
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          • not so famous bob

            not so famous bob Well-Known Member

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            I am still not convinced either one would be worth doing on a 3 1/2" free flowing (home built mufflers) , dumped in front of the rear end. Bragging here > no drone , not excessively loud!
             
          • rumblefish360

            rumblefish360 Well-Known Member

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            Well, inexpensive and noise level are very personal. IF I was doing things for the street it would be a lot different than a street strip car and yet different again for a track only car.

            The cheapest I can do an exhaust (like we all have probably done) is just 2 simple straight pipes into the mufflers w/cheap hangers. Turn downs facing each other a little bit (45* angle) help A LOT.

            But all of that we have done already.
             
          • Malicious

            Malicious Well-Known Member

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            I think it was the motor masters show that did an on the dyno comparison of each type - twin, H and X. HP gains were so minimal (single digits), that I ditched the idea of installing one and kept them seperate for some classic Big Block thump ;)
             
          • 6PKRTSE

            6PKRTSE Well-Known Member

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            Looks good. I have a home made 3-1/2" X Pipe to the muffler reduced down to 3" after the mufflers & up over the axle to the back thru the stock modified tips. I bought a bunch of 90 degree elbows & straight pipe. I always get compliments of how awesome it sounds at idle & when I take off. I get asked what exhaust shop did the exhaust & then I tell them I did it... LOL. And it has been on the car for over 20 years now.
             
          • biomedtechguy

            biomedtechguy Accelerati Rapidus Maximus FBBO Gold Member

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            3" pipes all the way from my TTi 1&7/8" headers to my chrome tips through the 3" Flowmasters...
            I used the 3" X pipe...better scavenging. Fits well, pre-fabbed unit.
            No noticeable performance improvement with my cutouts open or closed, so that speaks highly for my exhaust system's performance...I usually run open though, because it sounds FIERCE! :)
             
          • 383man

            383man Well-Known Member

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            Your system looks real good. I use 2" TTI headers and their 3" exh with Dyno-Max Ultra-Flow mufflers all the way to the back of the car. I like my exh out the rear so I don't get no drone like I have seen when dumped at the rear. I also used the X-pipe this time. I race it just as you see it through the full 3" system. I really don't know if it would be faster uncapped as I have never uncapped my car. Ron

            412821168.jpg
             
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