The Perrin Cold Air Intake system for your GD WRX / STI is a direct factory replacement for the OEM intake. Designed to increase horsepower and torque. It also reduces turbo lag and increases your throttle response.
Most items may be returned within 30 days of the product arriving to your house or place of work. Returns will NOT be accepted on final sales, special orders, opened, installed, incomplete, or otherwise used products. In order to initiate a return, an RMA number must be requested and approved. All returns will be subject to a 15% restocking fee minus complete shipping cost. For complete details on our return policy, please see our Help and FAQ link under HELPFUL INFO.