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Thread: noob questions on performance

  1. #1
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    I have a 04 xb 9sl low lightning. All stock part (except for some custom cosmetic stuff I did).

    I dont know a lot about how much more performance I can get with the parts available. Can anyone help, and where should I start?

  2. #2
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    open airbox, K&N filter, ECM remap and an exhaust of your choice.

    Or if you can find it, a race kit.

    Americansportbike.com

  3. #3
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    I forgot... you should start with a reroute mod :D

  4. #4
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    leave it alone your gains will be small to nothing compared to the money you invest and gas mileage you lose

  5. #5
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    Ok first off, I bought my bike for the fun of riding...not gas mileage. Second, I want to mod my bike for better performance/throttle response to increase the "fun factor" thats up to me. Third, maybebuell--for not actually owning a Buell, you sure like telling everyone what to do or not do to theirs.

  6. #6
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    Ok first off, I bought my bike for the fun of riding...not gas mileage. Second, I want to mod my bike for better performance/throttle response to increase the "fun factor" thats up to me. Third, maybebuell--for not actually owning a Buell, you sure like telling everyone what to do or not do to theirs.
    he asked a question ..i gave my thoughts was not addressed to you ..what does owning a buell have to do with knowing harley v twim motors..i dont own one for a reason....when gas milage goes down you gained nothing no power pretty simple enjoy your bike its louder sucked down more gas but it sounds faster...its all good

  7. #7
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    ..i dont own one for a reason
    And that would be?

    when gas milage goes down you gained nothing no power
    I increased the fun factor.

    pretty simple enjoy your bike its louder sucked down more gas but it sounds faster
    5-7 hp with better throttle response IS noticible on a 400lb bike. You have to consider the power/weight ratio. My Buell with 95-100 HP is faster than my Charger RT with 350+ HP.

    your gains will be small to nothing compared to the money you invest
    Hmm...breather re-route, open box, exhaust and re-map. $700 or less? (depending on exhaust and tuning time) Sounds pretty good for the gains. To get that type of improvement on my car would be $2000+ easy. ( now thats wasting money )

  8. #8
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    mrdozer its all good i have to agree its all about the fun factor bottom line....are those dyno gains on your bike or off a web site

  9. #9
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    are those dyno gains on your bike or off a web site
    Rough, off the exhaust shootout. Keep in mind that those are just the exhaust only. $700 is a ballpark guesstimate on the average setup. Pipe, tune, airbox mod and filter, re-route. Depending on the brand and where you get your parts, could be more or less

  10. #10
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    thanks dozer

    do you mean this
    Ok, I,ve heard different things about this but havent found any instructions on how to do this. Here's how I did it and what you will need.

    2x 5/8" plastic male tee's ( hardware store )
    1x 2.5'-3' piece of 5/8" rubber hose ( I got fuel line hose from auto parts store)
    1x small breather filter ( auto parts store )

    total cost- about $9
    time- 20 minutes

    1. Remove airbox fairing
    2. Take off top air box cover
    3. Remove lower air box ( dont know what its called but there's 4 bolts holding it to the frame.
    4. Disconnect the air sensor and take off lower air box and shove the 2 hoses back through their respective holes, it slides off the air intake ( big rubber horn looking piece)
    5. I had to cut maybe 1" off the stock hose on the left side in order for the T's to fit and not pinch the hose
    6. Connect the 2 hoses on the bike into 1 of the "T" connectors
    7. Connect the piece of hose you bought to the other end of the "T" connector
    8. Take the hose and run it under the frame towards the back of the bike so that it comes out near the swing arm in the rear. ( this is the hardest part and took me the longest, I used some black cable ties and connected the hose to existing wires to keep it off the engine )
    9. Establish where you would like to put your breather filter ( mine is on the left side near where the swing arm and side rails meet )
    10. Cut hose and connect the other "T" connector and breather filter
    11. Connect the hose to the last spot on the "T" and run it down to somewhere on the inside of the swing arm ( a small bit of oil may drip out of here from time to time so make sure that it won't drip on the path of your tire. You can connect a catch can as well if you like but a minimal amount of oil will drip if any.)
    11. Out of your leftover hose cut maybe a 6"-8" piece and shove one end through one of the empty holes in the lower air box. ( thats where you removed the hoses in the beginning ) Then shove the other end of the hose through the remaining hole.
    12. Put everything back together and you're done, and remember to make sure that the new hose is secured and not rubbing-pinching any thing else

    Sorry about not having the techincal terms for everything but hey i'm not a mechanic



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