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High flow exhaust

Discussion in 'Performance' started by MiniBrutes, May 14, 2008.

  1. Badgerland

    Badgerland Member

    Good stuff Milt - thanks.
  2. i run a 1.5 inch straight pipe off the factory exhaust manifold to a chambered stainless motorbike muffler (cheap off ebay lol) at the rear. Bit loud at idle but cruising along in 3rd or 4th gear under load it sounds ok. May fit a centre muffler one day

  3. Or read the plugs after 500 k. Put new ones in before or clean the old ones.
  4. Rossy

    Rossy New Member

    Any pics of this? Fancy a Bike exhaust on my Acty 545cc...2 Pot!

  5. greg0187

    greg0187 Moderator Staff Member

    Here's one that ketzer has on his. Its a stock hyabusa muffler.

  6. Rossy

    Rossy New Member

    Thats looks so cool...

    Would be nice to see underside as to how its all mated up...looks simple to do on mine but still be nice to see how someone else has done it!

    Thanks alot!!

  7. ccrn2

    ccrn2 New Member

    I know this is an old post but what temp would fuel freeze in the carb? In Mississippi we will drop to single digits on occasions. I have a 94 sambar and have bought materials to build a snorkel and would like to bypass those warm air values and seal off the air box. Would this also change my air fuel mixture causing me to run rich? If I do this I'm looking to have a muffler/exhaust fabbed to cut these out as well. Looking for something quiet since I use my truck to get around at deer camp. Any suggestions?
  8. larryn2o

    larryn2o Member

    Gasoline will freeze anywhere between -120F and -240F depending on the amount of ethanol , however if the ethanol has absorbed water it could freeze at a much higher temperature.
    i can tell you that in Mississippi the carb will ice on a 50 degree day when our humidity is high. this happens when the fuel changes state in the carb and causes a temperature drop. any source of warm air will stop this.
  9. Stuff99

    Stuff99 Active Member Staff Member

    I so want a stack like milts, but not through the box like that. the black tailgate on a white truck is getting old.
  10. nygil-b

    nygil-b New Member

    I'm in the middle of doing some duel stacks on my mini truck mufflers came from a 08 suzki intruder gonna be completly custom and for as free as possiable lol. will post some pics when done painting at same time so might be a bit.
  11. WELDER

    WELDER Member

    The truck in my signature is as follows:

    -exhaust manifold
    -2" tube (one 90 degree, large radius bend)
    -Turbo (adds a bit of back pressure)
    -2.5" dump pipe
    -2.5" tube (one 90 degree, large radius bend)
    -3" stack

    It aside from the turbo, it will let the exhaust flow very freely:p
  12. ccrn2

    ccrn2 New Member

    Sounds like I should just put the snorkel on and leave everything else alone. The only thing I can think of, besides the exhaust, would be to hire someone to heat it with a hair drier before I get there. Was really hoping bypass those exhaust hoses and seal off my air box. Is there another way other than my hair drier idea? :confused:
    Anyone want a seasonal job preheating my carb?? :D
  13. BigJoel

    BigJoel Member

    Just FYI, i have removed the hot air hoses from my "air box". Mainly because cooler air makes more power, i want as much power as i can get out of this little thing. haha. But i haven't had a bit of trouble out of mine. Just have to let it warm up a few minutes in the mornings..
  14. ccrn2

    ccrn2 New Member

    noticable power?

    awesome to hear bigjoel. main reason i want to do it is to keep water out. hence the reason for the snorkel. i have a post from late march looking for help because i put mine under water.:frustration: i have a plastic welder and some plastic laying around the same grade as the air box is made of so i should be able to make her air tight or water tight in my case. how noticeable is the difference in power since you have removed these hoses? more power would be a plus if it works for me!!
  15. BigJoel

    BigJoel Member

    Honestly, not enough to notice, but i makes me feel like i've done something haha.. I think the main thing holding these little motors back is restriction on intake and exhaust.

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