Red line increase
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Joined: Jul 2007
Posts: 59
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From: Maine
Yes I understand about over revving and actually losing power at a higher RPM. My 07 night Train with a stage 1 kit and D&D fat cat 2 into 1 pipe pulled all the way on the dyno to 6100 rpm. my new 09 bagger seems to poop out just after 5600 rpm
Road Warrior
Joined: Aug 2008
Posts: 1,474
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From: Acworth, Ga
this can go on and on
Extreme HDF Member
Joined: Sep 2005
Posts: 11,615
Likes: 50
From: Baton Rouge, LA
If you don't plan on doing anything else to the bike (i.e. tuner and AC), the Stage 1 download would be the only way to increase the limiter. OTOH, like some have already said, without opening up the intake I don't think the revs will be there in a practical sense that would provide better performance. The HP curve for a stock '09 setup starts dropping off at about 5000 RPM. Based on a dyno chart I've seen it drops about 5HP from 5000rpm to the stock redline (~5600 IIRC).
If you're going to spend $125-150 for the download you should also install the SE AC, which will help performance noticeably and should allow the engine to breath freer and open-up the top-end more.
If you're going to spend $125-150 for the download you should also install the SE AC, which will help performance noticeably and should allow the engine to breath freer and open-up the top-end more.
Last edited by iclick; Aug 17, 2009 at 11:13 AM.
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