my gsr has 76,000 and i run it to death. i just got it dynoed and she has 155hp at the wheels. Stock gsr are suposed get around 156. I have aem CAI, dc sports 4-1 header, and apex n1 catback, and type r wires.im planning on doing a rebuild by the end of summer then im thinking of turbo. i was planning on new piston rings and lower compression pistons. but im not sure yet. ne1 have ne ideas off what i can do to make power?