Join Date: May 2011
Location: Central California
When I did that air cleaner on my 09, I was told the ECM could make that adjustment just fine, but if I change exhaust too, them it would need the stage I download.
I changed the air intake and swapped the slip-ons then got the stage I download and it's been all good. Of course this is California bike with NAZI CARB EPA requirements.
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2009 FLTR Mirage Orange
2007 Nightster Silver / Black Denim... SOLD