Originally Posted by flk
^Don't forget with slightly bigger tires you will get a height gain too. For example i'm going from factory 235/45/17 to 245/40R18 and I will be gaining 5 mm in ride height from that alone. Arch wheel gap will also effectively decrease by 5 mm so that affords the look of being lower while actually raising ground clearance.
I wouldn't do that with the 5 speed. Slightly smaller wheel will be better with the gearing.