Verus Engineering AOS Drain Back Kit - 2015-2021 Subaru WRX PDM_pilot-and-throw-out-bearings these are great for those

these are great for those of you with mild to moderate bolt-ons that need to supplement your engine with the right amount of fuel for increased  power and boost levels

Adjustable AOA

PERRIN Tow Hook Kit Rear - Hyper Pink - 2015-2017 Subaru WRX / STI

The reduction in supercharger speed

rather than traditional LEDs

Verus Engineering AOS Drain Back Kit - 2015-2021 Subaru WRX PDM_pilot-and-throw-out-bearings these are great for thoseThe optional AOS Drain Kit allows for hassle free, long term use of the AOS without the need for draining or maintenance. It provides an effortless solution for those who prefer a hands off approach. The AOS functions like a standard drain style unit by default. Verus Engineering AOS Drain Back Kit SPECS: Automatically Drains Oil Caught in the AOS Back into the Engine Maintenance Free Oil Separation CNC Machined Aluminum and Anodized Fittings 1 2"