Cobb Tuning Rear Differential Subframe Mount Bushing Insert - Subaru WRX/STI 08-21 AUDI_8L NPT fittings seal via the

NPT fittings seal via the intentional interference created by tapered threads meshing together

drawing out oil and water condensation from PCV gases before they are drawn into the intake manifold

and chassis panels

60mm clamp diameter fits Radium fuel filters

Billet aluminium oil catch can with integrated dipstick

Cobb Tuning Rear Differential Subframe Mount Bushing Insert - Subaru WRX/STI 08-21 AUDI_8L NPT fittings seal via theRear Differential Subframe Mount Insert Supplement uses specially formulated Polyurethane which allows mounting of the rear diff securely and safely. These mount bushings will reduce the amount of torque twist which enables the vehicle to get the power down quicker all without the noise and vibration associated with harder mounts. Why? Less flex with minimal NVH added. The Rear Differential Subframe Mount Insert Supplement is the perfect mounting