Originally Posted by ninjaspork19
Sorry, when you say people go +1 or +2 are you referring to the width? so 18x9 instead of 18x8 or 7?
The +1 (or +2) was in reference to the wheel diameter. For example, going to an 18" wheel for a 2012 WRX is a +1 size up (since the stock wheel is 17"). For an STi, going to a 19" wheel diameter is a +1 since their stock wheel is 18".