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[jimhartman]

Has anyone installed the CVO Power Cores and Sleeves/Blankets on their 2017 CVO?  Do you like it?  Did you have to re-tune?  If so, what did you use to re-tune?

[FLSTFI Dave]

Yes, I have installed the 2.25 power cores on my 2107 CVO Street glide.  I did the sleeves and blankets also as I always do.  They have a nice deep sound, not real loud.  This is due to the HUGE cat in the head pipe which is very restrictive.  Due to the Huge cat I have not had to retune and will not have to.

If a head pipe with out a cat is installed, the bike would be louder, but not obnoxious for long trips.  A tune would also be required as with the additional air flow the bike would be very lean with out a tune.

I have run complete fullsac on my last four bikes.  My 13 CVO king with 138 hp and 140 torque is running a fullsac headpipe and the 2.25 power cores with the sleeves and blankets.  It is louder than the 17 due to no cat.  It is fine for a 500 to 700 mile day on the bike.

Hope this helps