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This turbocharger can be used as a trustworthy heavy-duty stock replacement or for competitions with modifications of engine and peripheral accessories. This product has resistance to the common compressor surge which tend to occur at low/mid rpms of stock turbocharger. At high rpms, even at the same boost are much improved from stock turbocharger.
Totally, at any rpm over 3000, the boost is easier to generate quickly. Torque is smoother on the road and not as binary.
Product Notes:
Precise machined aluminum forged big compressor wheel
The appropriate shaped larger compressor shroud adopts an abrade-able seal structure that further improves charging efficiency.
Bolt-on Installation
Gaskets are excluded
Engine and peripheral parts modifications will be needed to soup up the performance more.
When attach this turbocharger, the car might be prohibited by car regulation depends on peripheral modification spec.
This products aiming to make engine high performance and might make low durability.
IHI Turbo do not take any responsibility or liability for any damage or loss caused through using the product.
Installation instruction manual for each products is not included the products. Installation of the product should be performed by a person with appropriate qualifications and knowledge with follow the method described in the vehicle's service manual.
The information posted on this web page is subject to change without notice.
Warranty Notes:
It is extremely uncommon for turbos to fail on their own and any failures are usually attributed to external influences such as oiling, debris and blow-by.
In the event of a warranty claim the customer is reposnsible for any costs incurred for shipping and inspection. If a warranty claim is approved these costs will be refunded.
If replacing a previously failed turbocharged it is imperative that the cause of failure be investigated. If the turbo failed due to another component on the car it is likely the new turbo will fail again, in which case no warranty will be approved.
Installation Notes:
Actuator
If the turbocharger unit which you select has the adjustable turn-buckle actuator, please use precise boost gauge and assure to fasten the nuts of the turn-buckle function when adjust it.
Boost pressure control
To control boost pressure, aftermarket boost controller is necessary separately.
In case of racing use: If actual boost pressure will be increased much enough, although using boost controller, it caused by exhaust gas flow volume is exceeding wastegate capacity, and must keep back pressure with using smaller size exhaust pipes or must prepare additional wastegate function to fix it.
Engine control parameters
If the car is recommended to use regular gasoline originally, please feed premium gasoline when adjust ignition timing and so on to avoid engine blow caused by knock.
Test Notes:
TEST CAR: 2008 Impreza WRX STI (GR)
ENGINE: EJ25 (2.5L)
ECU: STOCK
FUEL SYSTEM: STOCK
IGNITION SYSTEM: STOCK
MODIFICATION: AIR FILTER , HEADER & EXHAUST SYSTEM, BOOST CONTROLLER.
Note: The results are an example. The output is not guaranteed.
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