FREE SHIPPING WITHIN THE CONTINENTAL US! Description for 2.0T motors: 2011-2015 Kia Optima/2011-2014 Hyundai Sonata 2.0LT Turbo, SP Series Short Ram Intake System (SP1330) by Injen® The Short Ram SP Series is a traditional, underhood air intake system that takes place of your factory airbox, air filter, and the factory air intake tube The EA Nanofiber air filter allows increased airflow and the aluminum alloy intake tube creates a smooth airflow path into the engine The increased airflow and velocity result in more power, increased acceleration, and better fuel economy. Up to 16 HP and 15 ft.lbs TQ Gain Description for 2.4L motors: 2011-2015 Kia Optima/2011-2014 Hyundai Sonata 2.4L, CAI Series Cold Air Intake System (SP1331) by Injen® The Cold Air, CAI Intake system is an air intake system that takes the place of your factory airbox and air filter, and the factory air intake tube The EA Nanofiber air filter allows increased airflow and the aluminum alloy intake tube creates a smooth airflow path into the engine The increased airflow and velocity result in more power, increased acceleration, and better fuel economy Up to 12 HP and 10 ft.lbs TQ Gain Vehicle Applications: 2011-2015 Kia Optima (2.0T Models Only) 2011-2015 Kia Optima (2.4L Models Only) 2011-2014 Hyundai Sonata (2.0T Models Only) 2011-2014 Hyundai Sonata (2.4L Models Only) For the 2016-2020 Kia Optima 2.0T, or the 2015-2019 Hyundai Sonata 2.0T, that intake can be found on our site here: Injen Intake Systems Please contact us for other vehicles not listed These intakes cannot be shipped to the state of California. If you are in California, please do not order, as we will need to cancel the order Installation Instructions: Included in the box PDF for the turbo model here & non-turbo model here Optional hydroshield filter protects water from getting sucked into the engine and causing damage