TURBO CHARGER
* Image is T390M
New option of performance turbo for EJ Single Scroll!
The all new T390M turbo kit designed to best perform especially with EJ20 Single Scroll.
It comes with the same billet compressor wheel as the existing T440M turbo but covers wider range of different needs while the T440M turbo kit is mainly for tuned EJ25 and long-stroked EJ22/EJ26.
| APPLICATION | TYPE | P/N | NOTES | |
|---|---|---|---|---|
| EJ20/25 Single Scroll ※Please see the table below. |
T390M | 173034 | ・TOMEI Turbo Suction Hose is also required on Impreza (GD#) and Forester (SG9). ・GDB Inetrcooler Duct (Subaru P/N: 21830AA102) is also required to install this turbo kit on Impreza (GDA) or Forester (SG9). ・Can be installed also to GC8 by upgrading the turbo suction hose to a product with ID: 60mm at the turbo side end. |
|
| T440M | 173030 |
【Application】
| IMPREZA JDM | FORESTER | |||
|---|---|---|---|---|
| GC8 | GDA | GDB | GR/GV | SG9 |
| A-G | AB | A-LINE | ||
| EJ207 | EJ205 | EJ207 | EJ257 | EJ255 |
| IMPREZA USDM | WRX | |||||
|---|---|---|---|---|---|---|
| GD 01-03 | GD 04-05 | GD 06-07 | GR 08- | GV 11- | VA 15- | |
| WRX | WRX | STI | STI | STI | STI | STI |
| EJ205 | EJ205 | EJ257 | EJ257 | EJ257 | EJ257 | EJ257 |
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T390MWell tuned low-mid torque that 2.0L engine can spool up smoothly to the high end range. Stress-free and easy drivability from the street to sport driving on small tracks. |
T440MDynamic power and torque at the mid-high RPM range. T440M is designed for steady boost even at the high end range where the stock turbo of EJ application is known to fade from around 5,500RPM. Steady boost at the high RPM range is an essential key for tuned EJ motor. |
Redeveloped from the material for more efficiency to convert the energy straight to power with better lubrication and cooling.
FLOATING METAL |
Reinforced actuator |
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| High quality floating journal bearing at the center shaft. | Remarkable stability under high boost. |
The ARMS series turbo kits all come supplied with all the required gaskets and fitting, no modifications required.
The T390M/T440M Turbo Kit comes with a 1 year limited warranty after purchase.
■ HOW TO REGISTER

| TRIM | INNER DIA. | OUTER DIA. | BLADES | |
|---|---|---|---|---|
| ARMS T390M | 60 | 52.6 | 68.0 | 6/6 |
| ARMS T440M | 56 | 56.2 | 75.0 | 6/6 |
The all new, forged aluminum billet compressor wheel increases even more efficiency and at the same time reduces surging that is one of the well known problems on tuning especially with AVCS applications. | TRIM | OUTER DIA. | EXIT DIA. | BLADES | |
|---|---|---|---|---|
| ARMS T390M | 76.9 | 56.0 | 49.1 | 12 |
| ARMS T440M | 77.4 | 61.5 | 54.1 | 11 |


Référence: IAG-EXT-4001
Marque: IAG PERFORMANCE
Référence: IMSHO08 IMSHO275 IMSHO274 IMSHO07
Marque: SAMCO
Référence: 904740011 047406120
Marque: SUBARU
Référence: IAG-EXT-4006
Marque: IAG PERFORMANCE
Référence: 14411AA383R1 T914398 49377-04372 14411AA383R1 14411AA3839L
Marque: SUBARU
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