The APR SAI Filter is a replacement filter for the factory secondary air injection (SAI) breather on Volkswagen and Audi 1.8T/2.0T vehicles. It's the companion part that keeps SAI-equipped cars running correctly alongside a compatible APR intake. Important Compatibility Information Fits Volkswagen and Audi 1.8T/2.0T cars fitted with an APR intake and factory secondary air injection. Not every car has SAI. Check whether a secondary-air hose connects to your factory airbox before ordering; if you're not sure, contact your BMP Tuning rep. Features Pleated cotton gauze filter construction Direct fit on SAI-equipped vehicles What's Included APR SAI Filter Installation Notes APR's install document assumes basic mechanical skill and ordinary hand tools; Installation Instructions (PDF). Product Specifications Manufacturer: APR SKU: A0CN CI100020-A Manufacturer part number: CI100020-A GTIN: 810904030146 Filter material: Pleated cotton gauze Application: Volkswagen and Audi 1.8T/2.0T cars with factory secondary air injection and a compatible APR intake Which Intake Needs This? APR Intake System, MK8 GTI & 8Y A3 APR Intake System, MK8 Golf R & 8Y S3 APR Open PEX Intake System APR Open Intake System, EA888.3/3B/4/4B Frequently Asked Questions Do I need this filter with my APR intake?Only if your car has secondary air injection. Check whether a secondary-air hose connects to your factory airbox; if it does, add this filter alongside your intake. Which intakes require this filter?The APR intakes for MK8 GTI/A3, MK8 Golf R/S3, and both open MQB intakes on SAI-equipped cars, linked above. Is this filter washable like APR's main intake filters?It's a pleated cotton gauze filter; treat it the same way you would any APR cotton filter and replace it if it's damaged or excessively worn.
