GarageHub › For WRX & STI Owners
For WRX & STI Owners

GarageHub for
WRX & STI

EJ · FA · Stage 1 · Stage 2 · Full Build

EJ motors punish owners who skip maintenance. A Stage 2 tune changes every interval you thought you knew. GarageHub tracks your WRX or STI build with precision — service history, mods, parts, and AI that knows your actual setup.

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Conversations WRX/STI Owners Have with Rev

Real examples. Rev knows your motor, your tune, and your build history.

2006 Subaru WRX STI
Rev
Log your stage build, step by step
Installed Cobb downpipe and flashed Stage 2 tune at 48,200 miles
R
2 mods logged
48,200 mi · Downpipe + Stage 2 tune · Added to timeline
EJ257 Stage 2: spark plugs now every 15K miles instead of 30K. Updating your schedule.
2004 Subaru WRX STI
Rev
AI that knows EJ failure points
Burning a quart of oil per 1,000 miles — normal for a tuned STI?
R
⚠ Not Normal
On a tuned EJ257, a quart per 3,000 miles is the high end of acceptable. A quart per 1,000 is ringland territory — very common on Stage 2+ EJ motors.
Added to to-fix: compression test recommended
2015 Subaru WRX
Rev
Guide tailored to your motor
How do I change spark plugs on the FA20?
R
3/10 difficulty ~45 min 4 steps
NGK ILKAR7L11 (x4) $48–60 · 14mm spark plug socket · torque wrench
FA20 DIT: torque to 15.5 ft-lb. Don't overtighten — aluminum heads strip easily.
2006 Subaru WRX STI
Rev
Intervals adjusted for your tune
What fluids am I due on?
R
Rear diff fluid — overdue by 3,000 mi
Trans fluid — due in 2,100 mi
Front diff fluid — due in 2,100 mi
Engine oil — changed 800 mi ago
2018 Subaru WRX
Rev
Nothing falls through the cracks
What did I defer last service?
R
Valve cover gasket — Minor seep — monitor
Clutch fluid — Dark — due next service
Front sway bar end links — Light knock at full lock
2004 Subaru WRX STI
Rev
Have the parts before you start
Do I have everything for the TMIC swap?
R
GrimmSpeed TMIC In stock
8mm silicone hose 2m — enough
OEM boost clamps Need 4 more
Missing: 4 OEM clamps — part #808517040
Supports all WRX and STI generations. EJ205 WRX, EJ255 WRX, EJ257 STI, FA20DIT (2015+ WRX), and VA-chassis STI. Stock to full Stage 3.

GarageHub is free to start. Add your WRX or STI, log your first service or mod, and see how much cleaner your build history becomes when it's all in one place.

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Start Tracking Your WRX or STI Build

Free to start. No credit card. Log your first service or mod in under 2 minutes.

Open Web App — Free Download on App Store

Free to start. No credit card. Log your first service in under 2 minutes.