The difference is 8hp for non late 05's, 10hp for late 05's using the plastic mani. The tunning on the late 05 adds the extra 2 hp.
I got this directly form an engineer who worked on the upgrades to the new GT motor. His thoughts were "do you really think you will noice 2hp gain" He said swap to the plastic mani, it's a cheap & easy way to improve your car.
I did & he was right... but I still want to squeeze out that extra 2hp...[8)]
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04 GT 5 spd, S1, Mopar Sways, Eibach springs, Airbox mod, K&N drop-in filter, AGP & AMX hard pipes, debadged, PTeazer grill, bumperette, rollpan, Cowl Induction hood & other assorted painted parts!!!
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