You'll regret straight piping the car. It's loud as hell and sounds like trash. Honestly, with headers and rockers (1.9 ratio), I'd go with a 3.4 pulley and see if it knocks. If not drop a little farther. One of the mods you need is a way to scan for KR. I'd looking into a scan gauge 2 or aeroforce. Dependability has far more to do with driving habits and maintenance. For example, I dd a 400+ whp turbo 3800 but, I don't launch the car at every stoplight.