DC Sports 4-1 one-piece header systems for your 2003-05 Toyota Corolla/Matrix are dyno tested to outperform all comparable header systems on the market. Extensive research and development goes into each system to ensure the best performance for you vehicle.
- Dyno tuned and tested against the competition for maximum performance.
- CAD-renderend, race inspired 4-1 design emphasizes top-end power for road racing applications.
- Unique merge collector design ensures smooth exhaust gas flow.
- Equal length primary piping ensures optimum tuning for more power across rpm range.
- Comprehensive installation instructions, all necessary hardware and decals included.
- Legality Status: Not Legal at this time.