I have a 2008 ULTRA and have been milling over this mod where you cut the Y pipe and plug it with automotive freeze plugs. How will this affect the O2 sensors and how do I compensate for this on my V&H FUELPAK?

 

go back to the V&H website and plug in true duals and see which settings change.


my neighbor did the freeze plug mod on his 07 and liked it.

Mike

 

Mike no issues with O2 sensors or check engine lights ?

 

Alternatively you can use a Fulsac kit, which gives a neat end result.