SX/SXi/SXi Pro R&D pump cone?

Has anyone tried the R&D afterburner pump cone? I am wanting to get a little more out of my ski but dont want to drop the coin for a Mag pump. I blueprinted my pump for better hook up (maybe) and was thinking about the r&d cone setup but havent herd anyone talk about putting one in a sxi. I also dont want to have to change props again, Im running a big hub 9/17 skat now.
 

550/440

Maybe I'll get it all the way around NEXT time....
Location
Arizona!
I just picked up a TBM cone/stuffer. It is supposedly the next best thing to a mag, but still worlds apart.
 
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