Cold Air Intake for Hyundai Veloster & Accent (2011-2013) 1.6L L4 EnginePerformance Cold Air Intake System for 20112013 Hyundai Veloster & Accent 1. 6L GDi Efficiency This performance intake system is engineered to maximize the Veloster and Accent's volumetric efficiency. By replacing the restrictive factory air box with a high velocity induction path, this kit allows the 1. 6L GDi engine to draw in a larger volume of oxygen rich air with significantly less effort. The result is a more energetic combustion cycle,