The 05's and 06's do require a re-tune. Even just taking out the carbon trap changes the air flow enough to throw the computer out of whack. So, for an 05/06 C.A.I. mod, you need to plan the cost of either buying a tuner yourself, or taking to a shop to have them tune it for you.
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Go Slow or Go Fast. I really don't care. Just GO! 
Year & Model:
2005 GT 5 Spd
Dyno Numbers:
Zero. Dynosaurs are extinct.
Quarter Mile Time:
It's 25% of the time it takes me to go a full mile.
Mods:
Installed:
SLP LoudMouths
Steeda Complete C.A.I. Kit
Motive 4.10 Gears
SCT X-Cal2 Tune (By American Muscle)
Sequential Taillights
Next:
Hurst Short Throw Shift Kit
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