Upgrading a Stock S13 SR20 for Tuning!

We took this stock S13 SR20 and gave it a Stage 2+ upgrade to get it ready for tuning. This video covers everything from fuel system upgrades, wiring corrections, ECU setup, and a bunch of fabrication along the way. 👉 Subscribe for more builds, shop projects, and behind-the-scenes content:    / @factionmotorsports   🔧 Need alignment, JDM parts? Visit us: https://www.factionmotorsports.com/ Instagram:   / factionmotorsports   Patreon:   / factionmotorsports   More links: https://linktr.ee/factionmtrsprts