The first...cheapest.......and most SOTP gain you will feel form the Cold Air Kit. That is usually everyones first mod. The stock induction system is way to restrictive.

 

why is everyone telling me to get a CAI on a ws6 (ram air)?? I dont get this... O well
I have dynoed at 295.5 rwhp/327 rwtq and my times are **** compared to what I think I should be running, LT4 KM is on the way. Basically besides that, the rest of the mods are in the sig.... any other suggestions?