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Old Jan 4, 2008 | 09:56 AM
  #1  
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Default clarification

Just to clarify (ad nauseum) a STAGE ONE upgrade is a fuel management system of choice and a high flow air fliter. Slip on's are NOT needed, correct?
 
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Old Jan 4, 2008 | 10:03 AM
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Default RE: clarification

others will answer im shure ,I think you might want to do all three though. I added better sounding(not loud) pipes as well to maybe balance off the deal as well. ^air=^fuel=^exhaust

the webster's deffinition of stage I,,, dont know?
 
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Old Jan 4, 2008 | 10:09 AM
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Default RE: clarification

I always thought it was all three for a Stage 1 upgrade
 
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Old Jan 4, 2008 | 10:31 AM
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Default RE: clarification

All three makes a stage one I think. Sounds like you have a stage 3/4. I could be wrong though.
 
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Old Jan 4, 2008 | 10:38 AM
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Default RE: clarification

To the best of my knowledge a Stage 1 consists of: High Flow Air Filter along with freer flowing mufflers (more air in-more air out) and also an EFI fuel map change or carb re-jet, whichever pertains.

Tom
 
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Old Jan 4, 2008 | 10:48 AM
  #6  
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Default RE: clarification

This should clear it up.

http://www.american-v.co.uk/technica...ing/index.html
 
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Old Jan 4, 2008 | 12:08 PM
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Default RE: clarification

air in +fuel in + air out = stage 1 i thought. all matching to perform.
 
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Old Jan 4, 2008 | 12:22 PM
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Default RE: clarification

Just check the Parts catalog for the "official" answer to your question. Page 517 in the '08 catalog. If you can figure out Harley's definitions, please let us know!

Lots of different engineupgrades are classified as "Stage 1," including stroker kits.

 
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Old Jan 4, 2008 | 01:31 PM
  #9  
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Default RE: clarification

good staging article
 
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Old Jan 4, 2008 | 05:12 PM
  #10  
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Default RE: clarification

Yes all three are needed for stage 1, also known as the Harley Tax.
 
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