📖 THE MANUAL 5 3
// THE MANUAL · KNOW-HOW & INSTALL SUPPORT

What are you working on?

Ask in plain words. The Manual answers with steps, the right how-to videos, the tools you'll need — and if it's a big job, who near you can do it.

TRY:
TUNED TO YOUR 2018 WRX STI — EVERYTHING IS FITMENT-CHECKED

Guides for your STI

9 FITMENT-MATCHED
INTAKE / EXHAUST 45 min
Install a Catted Downpipe
WJ
@WrenchWithJay
Intermediate
INTAKE / EXHAUST 45 min
Cat-Back Exhaust Swap
WJ
@WrenchWithJay
Beginner
ENGINE 30 min read
Stage 1 Tune: Read This First
BB
@BoostedBoris
Beginner
ENGINE 45 min
Cold-Air Intake Install
BB
@BoostedBoris
Beginner
SUSPENSION 4 hr
Coilover Install + Corner Balance
TT
@TrackdayTom
Advanced
BRAKES 2.5 hr
Big Brake Kit + Bleed
AA
@ApexAnnie
Intermediate
WHEELS / TIRES 1 hr
Mount & Balance New Wheels
TT
@TrackdayTom
Beginner
DIAGNOSTICS 20 min
Read & Clear OBDII Codes
DD
@DiagDana
Beginner
DETAILING 2 hr
Two-Bucket Wash + Ceramic
DG
@DetailDiego
Beginner
Get hands-on help
Verified pros near Tampa, matched to your STI and the job.
Bayshore Speed & Dyno
★ 4.8
6 mi · ~3 days
Tuning · forced induction · exhaust
Ybor Motorworks
★ 4.6
9 mi · ~1 wk
Wheels · suspension · brakes
Gulf Coast Customs
★ 4.7
24 mi · ~1 wk
Aero · wheels · wraps
Ask the community
Stuck on something specific? The Help channel on Main Street is full of people who've done it. Post a question →
HUB
Velox Garage