A smooth pipe would be better. No the SES light has not turned on. I'm not halfway through the first tank since the modificaton. I can tell it has picked up a little milage.
Any modification that can lower air temperature helps.
Checkout this modification. Less work.
Simplest install with smooth pipe.
Here is a true extreme air induction modification.
Smooth hoses.
My city driving average speed is 35-45. A lot of freeway hopping on the interstate to reach some places. No block to block lights unless I go downtown.