The 944 is no longer stock
3 liter crank, MSDS headers, Lindsey Racing billet fuel rail and rising rate regulator, MAF conversion w/ stand alone, 951 injectors and head gasket, 11 / 1 compression, bigger valves, new valve springs, new cam, flowed intake manifold, knife edge crank, baffeled oil pan, new vacuum hoses, watrer pump, all belts, hoses, whatever...125 RWHP to 167 RWHP may not seem like much but along with shedding a couple hundred pounds and going w/ a 924 LSD transaxle that has a higher gear ratio it is very quick and along w/ a near perfect 51 / 49 weight ratio it is a large go-kart.