Injen Cold Air Intakes Civic Si (2006-2011) Variations:Injen Cold Air Intake Black Civic Si (2006-2011) All PERRIN High-Flow Fuel Rails

All PERRIN High-Flow Fuel Rails come with built-in phenolic spacers

It's also a lot more than just a boost controller

The length of the rear links are 25mm shorter and the fronts are 12mm longer compared to OE links

4 inch) quad stainless steel tips

Injen Cold Air Intakes Civic Si (2006-2011) Variations:Injen Cold Air Intake Black Civic Si (2006-2011) All PERRIN High-Flow Fuel RailsThe Speed Pro series intake systems for the Honda Civic Si feature special tuning technology for optimal performance gains and a safe A F ratio. The patent pending technology behind the Mega Ram system constricts the air intake at one point, and then maximizes airflow at other points to supply the maximum amount of air to the intake manifold. Injen SP intakes are also specifically tuned for you vehicle, engine, and engine control unit. Other air