AEM C.A.S 2016 Infinity Q50 L4-2.0L F/I Cold Air IntakeThe 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