Harley Davidson Forums - Heavy Breather

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drgprov

08-29-2011 11:53 AM

Heavy Breather

Hi i am thiniking od installing a SE heavy breather, i have the stock headers with rush slip on's and stock air filter do i need a dyno mapping down?

thanks for the comments

Garyk

08-29-2011 12:50 PM

You can get away with no remap with just mufflers but a heavy breather will need remap.

LarryLives

08-29-2011 12:57 PM

I did pipes and rode the bike for a while.
the day I did my SEHB I also installed the FMPC.
Bike runs like crazy! I love it!

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