fits model: Wrx, Sti, Awd. make: Subaru. year: 2004–2007.

( Manufacturer Part Number: 12556 ), ( Part Type: Video Engine Motor ), ( Performance Part: Yes )
Introducing the 12556 Subaru WRX STI 2004-2007 IAG Performance Upgrade 2.5L Turbocharged Flat-4 Engine Motor with All-Wheel Drive. This engine motor is a high-performance aftermarket solution for Subaru WRX STI owners seeking increased power, reliability, and durability for their vehicles.
The IAG engine motor (12556) is a specifically engineered and manufactured upgrade for the Subaru WRX STI's 2.5L turbocharged flat-4 engine. This motor has undergone extensive testing, with a verified 5,000km run, ensuring optimal performance and reliability. The IAG motor boasts several upgrades that set it apart from the stock engine, including:
1. Forged Pistons: The IAG engine motor features forged pistons that provide increased strength and durability, allowing for higher compression and more power output.
2. H-Beam Connecting Rods: These stronger connecting rods enhance the engine's rigidity, reducing flex and providing better power transfer to the crankshaft.
3. High-Performance Cylinder Head: The IAG cylinder head features improved flow design, larger valves, and increased compression for better power output and improved engine efficiency.
4. IAG Garrett GT3071R Turbocharger: This high-performance turbocharger delivers increased boost and power without sacrificing reliability. It features a larger compressor and turbine wheel, improving low-end torque and top-end power.
5. High-Performance Camshaft: The IAG camshaft provides increased valve lift and duration, optimizing the engine's power band and improving overall performance.
The 12556 IAG Performance Upgrade 2.5L Turbocharged Flat-4 Engine Motor with All-Wheel Drive also includes a new oil pump, water pump, and timing belt kit to ensure a complete and seamless installation.
This engine motor has been tested and proven to deliver impressive results. The 5,000km test run confirmed increased power output and improved reliability, making it an excellent choice for Subaru WRX STI enthusiasts seeking a high-performance upgrade. This engine motor is compatible with Subaru WRX STI models from 2004 to 2007, making it a versatile and valuable addition to the Subaru aftermarket community.
In conclusion, the 12556 Subaru WRX STI 2004-2007 IAG Performance Upgrade 2.5L Turbocharged Flat-4 Engine Motor with All-Wheel Drive is an exceptional choice for those looking to enhance their vehicle's performance and reliability. With its extensive testing, proven power output, and high-quality components, this engine motor is sure to deliver a satisfying driving experience for Subaru WRX STI owners.
a) Reliability: The Subaru WRX STI is known for its durability and reliability. The IAG (Industrial Automotive Group) engine is an upgraded version of the stock Subaru engine, which is known for its longevity.
b) Performance: The turbocharged 2.5L engine produces impressive power and torque, providing a thrilling driving experience. This engine upgrade can enhance the car's acceleration and top speed.
c) All-Wheel Drive: The Subaru WRX STI comes with standard all-wheel drive, which provides excellent traction and handling, especially in adverse weather conditions.
d) Affordability: Compared to buying a new car, buying a used WRX STI with a rebuilt IAG engine can be a more affordable option for those looking for high performance.
e) Tested and Video-Verified: The engine has been tested and documented in a video, providing evidence of its proper functioning and condition.
2. Cons:a) Cost: While buying a used WRX STI with a rebuilt IAG engine can be more affordable than buying new, it still requires a significant investment. The cost of the engine, installation, and potential future maintenance should be considered.
b) Age and Wear: A 2004-2007 WRX STI with a rebuilt IAG engine is still an older vehicle, which may require additional maintenance and repairs due to its age and mileage.
c) Limited Availability: Finding a used WRX STI with a rebuilt IAG engine for sale may not be easy, as these cars are not commonly available on the market.
d) Depreciation: As with any used car, the Subaru WRX STI will depreciate over time, which may impact its resale value.
3. Conclusion:The 2004-2007 Subaru WRX STI with a rebuilt IAG engine can be an excellent investment for those seeking a high-performance, all-wheel drive vehicle. With its proven reliability, impressive power, and tested condition, this car offers a thrilling driving experience. However, the significant investment required, potential future maintenance costs, and limited availability should be carefully considered before making a purchase.
4. Recommendation:If you are set on purchasing a used 2004-2007 Subaru WRX STI with a rebuilt IAG engine, it is crucial to thoroughly inspect the car and ensure that the engine has been properly rebuilt and installed by a reputable mechanic. Request documentation of the engine's testing and installation, and consider having the car inspected by a trusted mechanic before making the purchase. Additionally, be prepared for ongoing maintenance and potential repairs due to the car's age and mileage.
THIS CAME OFF SUBARU WRX STI 2004 2.5T 4 CYLINDERS ALL WHEEL DRIVE WITH 104K. FOR 5000 MILES IN A YEAR AND HALF. I'VE PUT OVER $19,000 INTO THIS ENGINE.