COBB Subaru Stage 1+ to NexGen Stage 2 + Flex Fuel Power Package - 2015-2021 Subaru STI / 2018 Type RA PDM_wheels-and-tires Compressor wheel: 73HTZ

Compressor wheel: 73HTZ

Under dash bar

for use during the day as a high-power DRL

intercooler and piping

COBB Subaru Stage 1+ to NexGen Stage 2 + Flex Fuel Power Package - 2015-2021 Subaru STI / 2018 Type RA PDM_wheels-and-tires Compressor wheel: 73HTZFlex Fuel Opens the Door to Real Power The Cobb Stage 1+ CAN Flex Fuel Power Package for the 2015 2021 Subaru WRX STI turns the VA STI into a car that runs better the higher the ethanol content in the tank. The CAN Flex Fuel sensor reads ethanol content in real time and feeds that data to the Accessport V3, which automatically adjusts boost targets, fuel delivery, and ignition timing to match what's in the tank. Run 91 octane on a Monday and E85 on