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Our read

GarageScout Take

An 817-whp build gives this STI a very different identity from a lightly modified example, with the strengthened engine and driveline built around that output. At 140,100 miles, it sits above the middle for this generation.

Strengths

  • No accidents or mileage discrepancies are reported on the Carfax history report.
  • Documented powertrain work includes the 2022 IAG short-block replacement and September 2025 transmission rebuild.
  • The gallery includes a dyno sheet reporting 817 horsepower and 673 lb-ft at the wheels.
  • The sale includes the window sticker, owner's manuals, two keys, and carpeted floor mats.

Watch For

  • The seller notes that the modifications may prevent the car from passing emissions testing in some states.
  • The exterior has front-end chips, scratches, scuffs, road rash, a passenger-side door dent, cracked rear wheel-arch trim, and curb rash on the wheels.
  • The driver's floorboard has holes, and corrosion is present under the rear wing.
  • The car has an extensively modified powertrain with a replacement engine and multiple transmission rebuilds