2007 Subaru WRX STI Engine Build
A reliable 400+ horsepower build under $10,000
- Forged Pistons
- Performance Camshafts
- Upgraded Turbocharger
- High-Flow Fuel Injectors
- Front-Mount Intercooler
- Performance Exhaust System
- Tuned ECU
- Strengthened Rod Bearings
- High-Performance Oil Pump