What goes in must come out.
The air going in
Faster needs an exhaust system to get rid of it, faster
The RU 3530 is a nice filter by K&N. If you don't have a heatshield (how I had it for a while) the car can actually stall from too much heatsoak. Happened to em once or twice on the hottest days of the year.
But now I have cold air intake
