Originally Posted by SubieEngineer
Now I tell people, don't touch the engine/exhaust/drivetrain if you value that warranty, until it's up. But expect #4 to go, anyway on a stock map.
I bought an AP and went Stage 1 just to protect #4. The car was my DD (and would still be if it hadn't broken). What I discovered is that Stage 1 protected #4 until the car was off of warranty. My response from SOA was "what piston ringland problem"?