CT Tuning Flex Fuel Protune Subaru WRX 2015-2021 vendor_Sparco ACT's Monoloc collar is a

ACT's Monoloc collar is a one-piece

unlike the soft rubber ones

Part #: 499-895-6535BK

The 3" mandrel bent aluminum construction means that airflow is unrestricted as it is summoned from the airbox to turbocharger inlet

The Verus Engineering Hood Louver Rain Guard Kit helps collect and dump water on the radiator

CT Tuning Flex Fuel Protune Subaru WRX 2015-2021 vendor_Sparco ACT's Monoloc collar is aFitment Information: 2015 2021 Subaru WRX Features: A flex fuel protune is ONE map used with the Cobb Flex Fuel kit. It will auto detect Ethanol content in the tank from E0 to E85 and keep the car in tune. You no longer need to switch maps for pump gas or E85. ATTENTION: You are purchasing a Cobb Protuning map file ONLY. Your car must be running correctly prior to installing aftermarket parts and this MAP. If your car has mechanical problems, you are