Features: * 100% test before shipment * The reduction of harmful emissions * The increasing of fuel economy * The improvement of engine performance * Prevent premature failure of the catalytic converter. Specification: OE number: 234-4116, 1588A183, 1588A144, 25024751, ES20414, 250-24751, 2344116, 25693, SU11769 Replacement: Direct Plug-In Replacement Condition: 100% Brand New Note: Please confirm the OE number before purchasing!!! Fitment: 2015-2017 MITSUBISHI LANCER 2.0L-L4 Calif;Loc.Center 2015 MITSUBISHI LANCER 2.0L Turbo Upstream 2013-2014 MITSUBISHI LANCER 2.0L Upstream .