Ok so I bought a 1992 Prelude with H22A Import. Factory is around 147kw roughly 200HP
Previous owner said its producing 172kw with such modifications as

*4-2-1 Extractors (EBAY)
*4-1/2inch XFORCE Cannon
*Aftermarket Fuel Pump
*K&N High Flow Pod Filter - NEW
*New Aliminium Radiator
*10.2 Vision Spark Leads
*Dyno Tuned at DR.DRIFT in Melbourne
*APEXI Vtec Controller (4800RPM kick in)

I really want to know roughly would this be true? or how much power will I REALLY be producing?