COBB Subaru Previous Ethanol Sensor Kit to NexGen Flex Fuel Ethanol Sensor Kit Upgrade (Module + Harness Only) - 2015-2021 Subaru STI Shift knob (7mm higher than stock exhaust

(7mm higher than stock exhaust system

Inverted monotube dampers for added strength and control

giving you the foundation for a sharper

Say goodbye to exhaust leaks with the Overtake Exhaust Manifold to Head Gasket Set

Minimum Road Clearance: 124mm at the 2nd center pipe

COBB Subaru Previous Ethanol Sensor Kit to NexGen Flex Fuel Ethanol Sensor Kit Upgrade (Module + Harness Only) - 2015-2021 Subaru STI Shift knob (7mm higher than stock exhaustThe COBB NexGen Flex Fuel Module + Harness Upgrade Kit is designed for 20152021 Subaru STI owners who already have COBBs previous flex fuel implementation installed and want to upgrade to the NexGen Flex Fuel system without purchasing a new ethanol content sensor. This kit includes the NexGen Flex Fuel Module, which mounts to the passenger side strut tower and handles data processing before sending ethanol content information to the ECU for use with