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2003-2005 WRX STI

2003-2005 WRX STI Kits:


Stage 1 - 225kw
Stage 1 for the Subaru STI involves reprogramming the factory ECU with ECUTEK software. ECUTEK allows Autotech to remap the fuel and ignition tables to provide more power and better fuel economy right across the rev range. More boost can be added to increase engine torque, providing stronger acceleration and unlocking the power of the Subaru boxer engine. Autotech custom tune each vehicle to ensure engine safety and maximum performance.
Stage 2 - 250kw

The Stage 2 Kit for the Subaru STI includes the following components:

ECUTEK ECU Retune
High Flow Cold Air Intake
XForce 2.5 inch Stainless Exhaust System

Stage 3 - 300kw

The Stage 3 Kit for the Subaru STI includes the following components:

ECUTEK ECU Retune High Flow Cold Air Intake
XForce 2.5 inch Stainless Exhaust System
High Flow Top Mount Intercooler
High Horsepower Ball Bearing Turbocharger
Extreme Flow Injectors