Perrin Cold Air IntakeIncrease 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. Horsepower & Torque The number one reason to buy an intake is to add more power to your car. The PERRIN Cold Air Intake adds 10 20 wheel horsepower and 10 17 ft lbs of torque to your car without