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Subaru WRX STI (2015–2021) Interior FAQ's

Please read our FAQs page to find out more.

Which interior mods sharpen the STI driving experience?

Weighted shift knobs, short‑throw kits, firmer bushings, and supportive seats increase precision and reduce fatigue during spirited drives.

How do I cut cabin drone in my STI after exhaust changes?

Add hatch and quarter‑panel damping and retain resonators where possible. Strategic sound treatment tames resonance without muting character.

Any interior changes that help at the track in an STI?

Harness solutions with proper anchors and track‑friendly seats keep you planted. Always use STI‑compatible hardware and follow safety guidelines.