Upgrades

Discussion in 'Sportster Models' started by mo1200, Mar 18, 2009.

  1. mo1200

    mo1200 Account Removed

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    I was thinking of installing the SE Stage 1 Air and SE performance Slip on muffs on my new 1200C Sportster. Now I got to tell you I like the sound of it now and it runs great. My question is, am I going to notice enough performance boost to make the expense worth it? I only ride 2 up from time to time, most of the time it's just me and my little rocket. Do I really need more HPs and Torque? It will already go faster than I'm brave enough to try. Any advise would be greatly appreciated.
     
  2. NEWHD74FAN

    NEWHD74FAN Experienced Member Retired Moderators

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    The benefit of Stage I is between 10 to 15 HP...which amounts to 15% Horsepower and torque increase whether on the dyno or "seat of the pants" measurement to be sure if all three items are done. You have stated two of them, SE Stage 1 Air Intake, SE Performance Slip-Ons Exhausts, but this will run your bike dangerously lean unless you should add some type of EFI Fuel Air/Fuel Ratio Upgrade Device such as TFI to complete the upgrade:

    http://www.dobeckperformance.com/instructions/1251ST.pdf

    When you do your upgrade, save all your HD OEM parts, as government and local ordinances are starting to clamp down on modifications that richen EPA mandated regulations (SMOG) or modifications to the exhaust system (NOISE). If you have the dealer do it, make sure you get them back they are your parts! JMHO
     

    Attached Files:

  3. Caper

    Caper Active Member

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    You wanna pay the "Harley Tax". Best bang for the buck performance upgrade. Used to be a freeflow breather and pipes and a couple of jets. Now the jets are replaced with fuel management.
    Here's a list of them to compare different ones(thanks glider) the TFI is quite popular

    EFI Tuner Comparisons - Harley Davidson Community
     
  4. KingHeritage

    KingHeritage Junior Member

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    You always need more HP and torque.Ya just can't get enough of it
     
  5. STEVE07

    STEVE07 Well-Known Member Staff Member Super Moderators

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    I don't know much about the 1200s ,but with my 96ci the stage1,TFI and slip ons brought it to life and cooled it down.I wish it was the first thing I had done when I bought it,not waited a year to do it.
     
  6. glider

    glider Veteran Member

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    They just run so much better with the stage 1 and some slipons with added fuel.
     
  7. mo1200

    mo1200 Account Removed

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    Ok, thanks everybody. I have read about about a fed crack down on noise and pollution. Anybody have an idea what the TFI a/f device cost along what my dealer may charge me to do the work? It's starting to sound more expensive than I thought. Does the old saying apply here? Why fix it if it aint broke? That money would go along way toward a set of bags, windshield engine guard etc.
     
  8. glider

    glider Veteran Member

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