Because of my parking location, I'm limited on how low I can go, I've heard a lot about RSR but I'm not sure how much they drop and will they scrub 245/45ZR17's 25 offset and 275/40ZR18's 28mm offset?

 

Keep in mind the majority of people that drop their cars do not take before and after measurements of ride height to be able to answer your question with authority, at least amongst those that chose to post. However, in saying that ,I do review most all suspension and lowering posts I can say that it's safe to say that no RSR downspring owner has reported a drop that is not jive with RSR's specs of .7"/.7" . Since they are linear springs I would expect a above normal level of consistency concerning the whole issue.

http://www.rs-r.com/products/suspens...wn_springs.php