What Kind Of Hp Should I Be Getting?

I recently bought a 2007 busa very clean and was completely stock with 8k miles I just put a Yoshi RS3 Race only SS Duplex 4-2-1 a BMC air filter and a PC5 on it and getting ready to do the pair valve and would like to get it custom mapped what kind of HP should it turn?
 
On a Gen1? Maybe on a very generous dyno. Lol

With a full exhaust.
Most stock gen1s make 155-160hp.
Why is 5-10hp more so hard to belive?
It's a guessing game anyway, and all depends on the bike, dyno, and tuner.
 
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