DC Sports Cold Air Intake for 12-15 Honda Civic 1.8LDC Sports Cold Air Intake for 20122015 Honda Civic 1. 8L (SKU: CAI5526) If you want your 9thgen Civic 1. 8L to actually feel awake, this DC Sports Cold Air Intake is where you start. Swapping the stock air box and accordion tube for our singlepiece DC Sports mandrel bent intake lets your R18 pull cool, dense air from outside the bay. You get sharper throttle response, stronger midrange, and that classic deep intake growl every time you lean into it.