TR Tomioka Racing · WRX VB FA24DIT
When VB670 Isn't Enough,
Meet VB870
The VB670 is a proven direct-fit upgrade. The VB870 is the ceiling — a larger 9-blade billet compressor, more airflow, and the headroom serious builds demand. Both bolt on direct. Only one is built for where you're going.
VB670
TR-TS1055 · Ball Bearing · Billet CW
VB870
TR-TS1056 · Ball Bearing · Billet 9-Blade CW
Inducer
54.37 mm
Inducer
61.76 mm
+13.6% larger inletExducer
67.50 mm
Exducer
76.68 mm
Greater exit flowCompressor wheel
Billet · standard
Compressor wheel
Billet · 9-blade
More flow per revTurbine wheel
Standard
Turbine wheel
60/55mm 9-blade
High-eff. exhaust flowPower support
Strong street
Power support
Higher headroom
Serious FA24DIT buildsTop-end pull
Revs to 6.7K
Top-end pull
Stays strong
No drop-off at high RPMChassis
2022+ WRX VB
Direct OEM · no modsChassis
2022+ WRX VB
Direct OEM · no modsCHRA
Ball Bearing
CHRA
Ball Bearing
Fast spool · durabilityBase map
Free · DT
91 or 93 octBase map
Free · DT
91 or 93 oct · includedDyno results · 2023 WRX VB · Full Exhaust · COBB FMIC
VB670 vs VB870 — On the Dyno
Full Exhaust · COBB FMIC
Dynapack chassis dyno
VB670 — right for you if
- You want a proven bolt-on with less fueling complexity
- Build is street-focused and staying lightly modified
- On a stock or near-stock fuel system
- The street power ceiling is where your build stops
VB870 — right for you if
- You want the highest airflow ceiling on a direct-fit FA24DIT turbo
- Building toward high-boost with intake, fuel, and a full tune
- You need top-end pull that holds strong at high RPM
- You're building once and doing it right
Optional add-on
Bundle with a COBB Accessport
AP3-SUB-006 · required to run the free Delicious Tuning base map
$2,500
VB870
$725
AP3-SUB-006
$3,225
Bundle total
Add VB870 to your cart
TR-TS1056 · 2022+ Subaru WRX VB FA24DIT · $2,500 · Free Delicious Tuning base map