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  1. #1
    performance enthusiast AD4342's Avatar
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    Exhaust Backpressure

    Hello everyone, I am new here with my participation but I have been reading a lot out of this site. Which I find very informative . And I would like to share with you an idea that I have. D-plate is an essential part to make the GP1300R perform its best, what I understand from using the D-plate is to increase the back pressure in the exhaust and to not get the exhaust filter clogged. So what if we did not use the d-plate? And just take out the exhaust filter and increased the back pressure of the exhaust using inserts in the stinger just before the waterbox?


  2. #2
    Moderator RX951's Avatar
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    Welcome to the Forum

  3. #3
    ABBOTT's Avatar
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    Welcome dude! Can you fill out your city or state in your profile for us?

    I would try to answer your post, but don't know too much about what the effects would be on the engine by doing that. Someone will chime in shortly.

  4. #4
    txgp1300r's Avatar
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    you need more than back pressure, its a sonic reversion wave that travels upstream to help keep the charge in the cylinder...but experamentation with this concept would be interesting,let us know if you try it,and welcome to a good forum.

  5. #5
    Happily Self-Employed WFO's Avatar
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    Welcome BadGP !!!

    The stock pipe with the D-plate and JetWorks is going to be your best all around performance set-up.
    It has been tested.

  6. #6

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    What TXGP1300R said. The plate helps to create a sonic wave. I think that R/D performance did some work on changing the sonic wave... but I think that they tried to make the wave path SHORTER not longer to help improve on fuel scavageing. They also reduced the size of the "D" shaped hole in the plate.

    From what I understand, all their mods did gain a few rpm's. It sure seemed like a lot of work and mods for a few rpms.

    It has been a long time and I've slept since then.

  7. #7
    Moderator RX951's Avatar
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    temperature and pressure all control the aspects of that sonic wave too.......

  8. #8
    Hydrotoys's Avatar
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    you need more than back pressure, its a sonic reversion wave that travels upstream to help keep the charge in the cylinder...but experamentation with this concept would be interesting,let us know if you try it,and welcome to a good forum
    Lots and lots of good info in these post.

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