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IAG 550 2.5L Subaru Short Block for 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester - 550 BHP Toyota-GR-Corolla-2024IAG 550 EJ25 2. 5L Subaru Short Block 550 BHP IAG 550 Short Block for 02 14 WRX, 04 21 STI, 04 13 FXT, 05 09 LGT BUILT FOR BOOST Designed for modified EJ25 Subarus, the IAG 550 Short Block is a sturdy upgrade that is capable of handling higher cylinder pressures created by increased boost levels. The OEM Subaru connecting rods and pistons (yes, even the STI RA) arent strong enough to take on the additional engine load of a larger turbocharger or an
Dyno Proven Performance Gains
Anodized black finish for extra color and style
When beginning the path of modification
Adjustments are simple to tune according to your style of driving and desired comfort level whether you are a professional certified mechanic or an automotive enthusiast with amateur mechanical skills
Increases the horsepower and the torque
Heat-treated for maximum strength to ensure against shoulder shearing\
2013 Subaru Impreza WRX Premium 2
The included OTS (Off-The-Shelf) map for the Subaru is calibrated specifically for the components in this package
3/8" Bar and Plate Style Core
The Cobb catback is the exhaust we recommend for any GD WRX/STI build — the 3-inch mandrel-bent titanium construction supports power levels well beyond Stage 2 and the sound character is aggressive without being obnoxious on the street
By optimizing the outflow of hot air from the engine bay
Includes two (2) Stainless Steel Flat Head Socket Cap Mounting Screws