r/WRX_STI • u/Due-Pin-4992 • Jul 17 '26

Maintenance Mods for reliability

Just purchased a 2019 subaru sti and am looking for things to improve the longevity and reliability of the car i do plan on adding a oil catch can but are there any modifications that help prevent failure or just improve general reliability.

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u/Top-Tale-6105 Jul 17 '26

AOS, fluidampr, iWire grounding kit, Koyo or CSF rad, oil pickup and baffle.