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Thread: 400ex Exhaust Conversion Started

  1. #16
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    Here is the pic of mine. I love it, But the supertrapp i had i liked more (but its not your typical supertrapp) The thing i do like about it is i have a WB E-seris on it right now, but it will accept ANY 400ex slip on, and bolt right up with no problems. So if i am un satisified with the exhaust i have perty much an unlimited selection of exhusts to choose from.
    Attached Thumbnails Attached Thumbnails PHTO0121.JPG   PHTO0119.JPG  

  2. #17
    thebutelr's Avatar
    thebutelr is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Well I finally got the new exhaust stud nut and new exhaust gaskets to fix my leaks and found a good way to mount the pipe so the end cap is not hitting the grab bar. This pipe sounds awesome, there really isn't any other way to describe it. Nice deep tone that sounds very crisp all the way through the rpm range. I haven't had time to dial the carb in to this new exhaust system but once I do I will let you guys know how the power is compared to the supertrapp system! I will have some pictures up tomarrow of the new mounting location and the rest of the bike cleaned up a bit!

  3. #18
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    Quote Originally Posted by thebutelr
    Well I finally got the new exhaust stud nut and new exhaust gaskets to fix my leaks and found a good way to mount the pipe so the end cap is not hitting the grab bar. This pipe sounds awesome, there really isn't any other way to describe it. Nice deep tone that sounds very crisp all the way through the rpm range. I haven't had time to dial the carb in to this new exhaust system but once I do I will let you guys know how the power is compared to the supertrapp system! I will have some pictures up tomarrow of the new mounting location and the rest of the bike cleaned up a bit!
    Glad to hear you got her all buttoned up . I'm looking forward to the comparisons . Hurry up with the finished ! You can't keep us waiting to long!

  4. #19
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    Did you grind the welds on the headpipe?

  5. #20
    thebutelr's Avatar
    thebutelr is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Quote Originally Posted by NOS_350X
    Did you grind the welds on the headpipe?
    No I haven't yet but since I finally got it to where it has a set mounting location and everything sealed up it will be the next thing I do, just have to get ahold of a dremel. Does grinding down the welds really make that much of a difference? If it does is it only performance wise or does it help the sound too?

  6. #21
    thebutelr's Avatar
    thebutelr is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Here are some pics of the new mounting location for the HMF.


  7. #22
    tyman's Avatar
    tyman is offline Just Too Addicted Arm chair racerJust too addicted
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    umm... the grab bar looks a little bit off... haha.. but hey it looks awesome anyhow!!

  8. #23
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    is that a clark tank or IMS?
    And that's the rest of the story. ~ Paul Harvey

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    "What happened? What does it look like happened?!?!"

  9. #24
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    Quote Originally Posted by thebutelr
    No I haven't yet but since I finally got it to where it has a set mounting location and everything sealed up it will be the next thing I do, just have to get ahold of a dremel. Does grinding down the welds really make that much of a difference? If it does is it only performance wise or does it help the sound too?
    I didn't notice a sound difference but once you grind them down you'll be suppried how much larger the holes are.

  10. #25
    thebutelr's Avatar
    thebutelr is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Quote Originally Posted by tyman
    umm... the grab bar looks a little bit off... haha.. but hey it looks awesome anyhow!!
    What do you mean it looks off?? Like crooked? If so I kinda noticed that too and I think its how my camera was angled because in person it is perfectly straight.

  11. #26
    thebutelr's Avatar
    thebutelr is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Quote Originally Posted by Louis Mielke
    is that a clark tank or IMS?
    It is a clarke tank.

  12. #27
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    That looks REAL good. Did you take it for a spin after you snaped those pics?

  13. #28
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    That looks absolutly great! How much difference did it make with the 400ex carb and exhaust together?
    '86 200x

  14. #29
    Billy Golightly's Avatar
    Billy Golightly is offline Always finding new and exciting ways to not give a hoot in hell Catch me if you can
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    Great work, looks extremely nice!

  15. #30
    thebutelr's Avatar
    thebutelr is offline At The Back Of The Pack Arm chair racerFirst time rider
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    First of all thank you guys for all the nice comments you have left about the pipe! I really haven't had much of a chance to see about getting my pipe dialed in but it is kind of confusing me. My bike for some reason puffs out a little smoke on start up and when I started it up I noticed that there was smoke coming from the head. I figured that since my old header didn't leak like this I would be fine on the exhaust gaskets but could this be making the bike so lean that a 195 jet won't even color the plug on a plug chop??? The bike really feels very lean with flat acceleration and no balls, and now pops excessively on deceleration when it didn't at all with the supertrapp. I knew I was going to have to jet up on the main but this a bit overkill! Oh yeah I was running a 178 with the supertrapp FYI .

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