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A6 Exhaust manifold VS A4?

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    #1

    A6 Exhaust manifold VS A4?

    So, I've been reading around about stock exhaust manifolds, and I had a quick question. I've noticed that the A6 exhaust manifold doesn't really get mentioned at all as an upgrade, because it is cast, but it is also 4-2-1 like the F22A4 header. Is there any known performance difference between the two, or is it just assumed that the A4 header is better because it is tubular? Anyone got any dynos of the difference by chance? I know it's not likely, but I figured I'd ask.
    Tags: None
    #2
    It's been discussed many times, there aren't any dyno results to compare the two. The reason everyone goes for the a4 is that it's lighter than the cast a6 header, and marginally less ugly.

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      #3
      The A4 manifold is the only difference between the F22A1 and F22A4... and the difference in power between the two motors is 5hp. Therefore, the tubular manifold is regarded as a "bolt on 5hp" mod. The A6 has a number of factors that give it the 15hp advantage over the F22A1... most of which are attributed to the IM, ECU, and camshaft. The exhaust manifold most likely plays a part as well, though.

      Performance wise, I'd venture to say that they're similar. Nobody has ever done any actual testing to my knowledge, though.






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        #4
        Cool, that's what I wanted to know. Thanks!

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          #5
          What exact year/trims/models came with the a4/a6 im wanting to go shopping for intake and exhaust mani's =)

          Click it.... You know you wanna
          Bought from:Joshy,H22WAGON93, nho93accord,90accordLXGUY,phantomCB7,Tommi

          Comment

            #6
            LINK

            Comment

              #7
              Originally posted by 93.4dr.22A1 View Post
              LINK
              wow i feel dumb ive read that thread and never noticed that it stated the models wow... thatnks man

              Click it.... You know you wanna
              Bought from:Joshy,H22WAGON93, nho93accord,90accordLXGUY,phantomCB7,Tommi

              Comment

                #8
                Originally posted by 93.4dr.22A1 View Post
                LINK
                haha. priceless...no really. didnt cost me a dime to click on that

                Comment

                  #9
                  lol. Im a noob too, wasnt gonna hassle him for not looking around.

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