More power

So I have gotten used to the power of my 2011 xp900 with the alba stage 2 kit.
I’m looking for more reliable power. should I do a BBK, turbo kit, 1k swap, 900 Stroker kit? or Just be happy with the power I have and keep my money.?

Everything else is setup on my rzr.

currently have alba stg. 2 kit
SLP slip on
Fuel controller
Clutch set up for stg. 2 kit.
timing chain tensioner
alba’s Intake manifold with UMP airfilter setup

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