Cusco Increased Capacity Rear Differential Cover Silver R180 2004-2021 STI YMM_2009_Forester and other 5x114

and other 5x114

Each injector is a 100% drop-in fitment based on the trusted Bosch EV14 design

No sense in paying 450

enhancing your WRX’s responsiveness on both street and track

Cusco Increased Capacity Rear Differential Cover Silver R180 2004-2021 STI YMM_2009_Forester and other 5x114Enhance your Subaru WRX STIs drivetrain with the Cusco Increased Capacity Rear Differential Cover for the R180. Designed as a direct replacement for your factory cover, this premium billet aluminum upgrade boosts oil capacity and improves cooling, ensuring your differential performs optimally during aggressive driving or track days. This rear differential cover increases oil capacity from the factory 0. 80. 9L to 1. 21. 3L, reducing heat buildup with