i think at first just the intercooler, from my understanding which is far from great is the piping will not change much, piping will prob be done at a latter date after bigger turbo
order submitted! and will do plan on ordering clutch and injectors tonight to and having a mod day on the sonic with the car club after everything comes in..
Most 1/4 tracks require helmets once you break into the 13's. Its still a ways off, but it's looking probable that it will happen in a Sonic sometime in 2013.