Test drove a o1 sti today and it seemed down on power my dc5 feels faster in a staight line even when the turbo spooled up it didnt push me into the seat i drove a b4 2 days previos to that and that was faster to and completly standerd, engine ran smooth and no smoke maybe something simple or its stuffed it had an apexi power fc and boast controller maybe boast is just turned down i will have to get a spin in another sti to compare maybe