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Cobb Air Oil Separator — 2004-2021 Subaru STI
The GTC-300 3D airfoil shape allows for optimal airflow that reduces drag yet supplies an effective amount of downforce
Requires the reuse of OEM Upper Mounts
Requires drilling to complete the installation
ACT Monoloc Collar - Subaru Models (inc. 2002+ WRX/STI) Mitsubishi Evo 2003-2015 PDM_drivetrain-mounts-and-bushings Cobb Air Oil Separator —The Monoloc Collar is available for those of you who want to replace the old design in the Subaru STI. ACT Monoloc Collar SPECS: Patent pending design Chromoly steel construction Makes for a great upgrade to the traditional two piece wedge collar and wire ring design Ideal to replace just before installing a clutch kit Sold individually IN CASE YOU WANT THE BEST CLUTCH COLLAR This is the ACT Monoloc Collar that is available for separate purchase for
US$ 442.50
US$ 40.00
US$ 262.50
US$ 32.48