Originally Posted by travisjb (Post 2222075)

two reasons for OEMs to spend engineering $ on underbody aero... one is downforce what we want, two is fuel efficiency what honda consumers want... the civic is a mature platform in a very competitive class, where the consumer cares a lot about fuel efficiency... not sure if a z buyer would pay more for an extra 0.5 mpg and guessing most Z buyers wouldn't be able to feel an extra 100-200 lbs of rear downforce. i could be wrong but i think we're in a small group and nissan knows it