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what is a realistic gain from full exhaust?

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    #1

    what is a realistic gain from full exhaust?

    I have a 90 coupe 5spd with a completely stock exhaust system. Thinking about ordering one of those kits that are header to tailpipe. But if its only worth 5-10whp then it seems like a waste. Thoughts?
    Tags: None
    #2
    5-10hp for a couple hundred bucks isn't that bad.

    full cat back exhaust systems from companies like GReddy and Apex'i go for more than that on average.

    Comment

      #3
      if you get a larger after market exhaust you will help your engine breathe better and if you mod your engine the exhaust will help to give you bigger gains compaired to a stock exhaust

      92 LX N/A rust bucket restoration RIP
      91 DX Coupe to 9293 EX Coupe restoration
      funds for swap:$000.00
      Bought from:HondaFan81=My current CB7 DD ,CB7_Sleeper1 Koochologist Tommi mtnbikkerkid33
      Traded with: Wed3k

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        #4
        The header won't give you much of a gain. A wider exhaust will give you some. If you don't need a replacement exhaust manifold, and don't care about how it looks, don't bother spending money on the header.






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          #5
          waste? Not at all.
          For header I recommend bisimoto.

          ...........AE86-GTS: SOLD.................................................. ........CB7-DX: SOLD

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            #6
            Originally posted by CB7_ACCORD View Post
            waste? Not at all.
            For header I recommend bisimoto.
            Bisimoto X2

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              #7
              If you don't have the money for a Bisimoto header then stick with the a4 header. If you really just have to have one that is all shiny and shit then an ebay or Megan header would be something to look into. Preferably Megan or a used DC Sports or somethingwill work just as good.

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                #8
                Your exhaust is going to set the stage up for airflow from any other aspiration- related mod you do. From intakes to turbo.

                If you want your car to eventually go fast, go ahead and spend money.
                If you are only looking for appearance and sound, don't waste your dough.

                If you do want to turbo one day, don't spend the money on a expensive header.
                Keep it A4.
                Project wagon! Much excite! 2018!

                That Sedan. Purchased '07-->Swap'd-->Tuck'd-->Wreck'd-->May '16

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                  #9
                  IDK if i should be saying this in here but i have one FS header allll the way back

                  Comment

                    #10
                    Its a lx f22a1. So from a lx manifold and stock exhaust to a header and full exhaust is only 5-10hp?

                    Comment

                      #11
                      You won't gain more than 5hp from a header, and not much more than that from the exhaust. If you get cheap stuff, that's about all you can expect.

                      Pay the money for a Bisimoto header (the only F22A header worth buying) and you'll see some gains.

                      10hp (to the wheels) is still nearly a 10&#37; gain in horsepower over the stock F22A1. I don't know what you're expecting...






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                        #12
                        Originally posted by floored View Post
                        IDK if i should be saying this in here but i have one FS header allll the way back
                        FS, is that "full stainless"? Or are you trying to sell in the Beginner Forums?






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