AEM Cold Air Intake System Cold Air Intake System AEM C.A.S 2016 Infinity Q50 L4-2.0L F/I Cold Air Intake Cold Air Intake Syst AEM Cold Air Intake The AEM 21-807C is designed to replace the restrictive air filter and airbox of specific Infiniti Q50 models. The oversized oval-shaped AEM Dry Flow filter is made from an oil-free, synthetic filter media and can be used for up to 100,000 miles before cleaning is needed (depending on driving conditions). The AEM heatshield replaces the restrictive factory airbox, and uses the factory engine cover as it's top cover. To create a seal between the AEM heatshield/airbox and engine cover a rubber edge trim is included. The air intake system is backed by AEM's Lifetime Limited Warranty. Some AEM air intakes are not legal for sale or use in California and other states adopting California emission standards, while others are 50 state legal. View the 21-807C vehicle applications to determine the legal status for each vehicle. The AEM 21-807C is designed to replace the restrictive air filter and airbox of specific Infiniti Q50 models. The oversized oval-shaped AEM Dry Flow filter is made from an oil-free, synthetic filter media and can be used for up to 100,000 miles before cleaning is needed (depending on driving conditions). The AEM heatshield replaces the restrictive factory airbox, and uses the factory engine cover as it's top cover. To create a seal between the AEM heatshield/airbox and engine cover a rubber edge trim is included. The AEM 21-807C is designed to replace the restrictive air filter and airbox of specific models of Infiniti Q50 models. Starting with an oversized cone AEM Dry Flow filter which is made from an oil-free, synthetic filter media. Utilizes washable, reusable, oil-free synthetic filter media that preserves airflow efficiency, traps harmful contaminants, and provides long-term value over disposable filters. Engine Cold Air Intake Performance Kit C.A.S. INFINITI Q50 L4-2.0L F/I; 2016 AEM Limited Lifetime Warranty