Susp. experts lets talk
Along with that, your main concerns should be lower control arms and possibly lca relocation brackets. After that I'd look into a torque arm.
Springs won't have a significant impact on your quarter mile/straight line performance either. The stock springs aren't bad in that area. Eibach drag launch springs or the QA1s will be better, but not a night and day difference. Having an adjustable shock can be useful to tweak things though.

