AEM C.A.S. 17-18 Subaru Legacy H4-2.5L F/I Cold Air Intake Fuel Delivery>Fuel Pressure Regulators the S21-01

the S21-01

Test medium: silicone oil

View the 21-795C vehicle applications to determine the legal status for each vehicle

560 degrees F (-40 to 850 degrees C)

View the 21-8030DC vehicle applications to determine the legal status for each vehicle

AEM C.A.S. 17-18 Subaru Legacy H4-2.5L F/I Cold Air Intake Fuel Delivery>Fuel Pressure Regulators the S21-01The AEM Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno tested to fit specific models. Air enters the system through an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and performance. The air filter is located in the original air box space and is