Hey all,
This is my first post on this forum, my fiance' has a 2000 GS4 and I want to increase mileage and performance. What mods can I do to her car to make it get better mileage? I was thinking headers, exhaust, intake, and reprogramming? But from what I'm noticing about this lexus, stuff's expensive! I don't want to break the bank on this, but just want some advice, also, as far as the exhaust goes, I don't want it loud. TIA
Chris