expansion chamber

  1. lukecanna

    KX65 Expansion Chamber or similar?

    Hi Everyone, Wanting to buy a expansion chamber for my bike as im still using the stock one with no baffle and holes drilled in it. What are your recommendations? I saw a post where someone said they put a kx65 econ there bike but they didnt give any info, i can weld btw so that isnt a problem...
  2. D

    Cheap expansion chamber available in Australia

    Hi, I'm looking for an expansion chamber for my 49cc china kit. At the moment I have the eBay banana pipe but I'm looking for something more for a decent price available in Australia. Side note, I have done a few things to my bike and I am in the process of doing more. I have done the; Banana...
  3. D

    Finding a nice expansion chamber in Australia

    Hi, I'm looking for an expansion chamber for my 49cc china kit. At the moment I have the eBay banana pipe but I'm looking for something more for a decent price available in Australia. Side note, I have done a few things to my bike and am in the process of doing more. I have done the; Banana...
  4. J

    Performance parts before break in

    I ordered a new bullet train 80cc motors and I was wondering is it safe to use performance parts on it like a sbp expansion chamber and other things like reed valves and a speed carb.
  5. Kelster66

    Expansion pipe silencer.

    So I'm trying to come up with a good silencer for my Boost expansion pipe from Gasbike but not having any luck at all. Any suggestions or ideas?
  6. Crisco

    Board Track/Street Build

    Hey there...:) So we're going to do this one properly..! Originally, I was going to go with a dedicated board track racer, but this idea became a little too cost prohibitive. With the frames at around $350 USD, that would be almost $500 by the time it got to Oz. And that's not even with the...
  7. N

    Exhaust My Murphy McMonkeyPatcher diy exhaust replacement - effective, ghetto AF, expansion chamber exhaust

    originally I had the voodoo brand I think of banana tube expansion chamber that came w/ the kit I ordered (IIRC i talked the guy into throwing it in cuz I got a aluminium gt frame kit plus a relatively premium engine kit at the same time) but I had problems w/ it not quite fitting, then when i...
  8. burrus

    Going with this Specialized Crossroads

    Just picked this up for a song on CL. ($100) I've had a new Grubee Skyhawk 66cc kit sitting for over a month waiting to find the right bike. Wanted to go with something with a front suspension to sooth out that ride a bit. (2 past back surgeries). Also needed something big, as I'm 6'3" and...
  9. Shleppin

    Exaust!!!

    Looking to order exaust/expansion chamber for 2 stroke. Looking for what would be better. How much louder than are they than stock pipe.

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