STILLEN 402846 Generation 3 Ultra Long Tube Dual Intake Kit - 08-13 G37 Coupe / 14 Q60 18.5 Rear Wheel Horsepower Gain Ultra Long Mandrel Bent Polished Aluminum Intake Tubes Genuine K&N Filters w/ 1,000,000 Mile Warranty; Polyurethane Splash Shield Included Installation Requires Mild Enlarging of Core Support; CARB Approved - E.O. #D-436-16