Perrin 2002-2007 WRX & STi Cold Air Intake

Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial for maintaining safe air-fuel ratios and preventing knock and check engine lights that plague competitors. 

• +10hp
• No ECU tuning necessary

(1) PERRIN MAF Adapter
(1) PERRIN Cold Air Extension
(1) PERRIN Foam Air Filter
(2) PERRIN Silicone Couplers
All necessary installation hardware
(1) PERRIN License Plate Frame
Instructions
Stickers
Warranty

Compatibility:
2002-2007 WRX 
2004-2007 STI