If you have an '07 and use the performance tune, here's what Ron at Superchips posted:HemiHead357 said:I just ordered one
Thanks for the responses guys. Im so siked!!! Now I need to figure out how to be patient for the next week!!!
It should already be updated for use with the '06.HemiHead357 said:I have an 06 hemi so I ordered the 3815. Do I need to update it through superchips or is it ready to go out the box?