APR Replacement Air Intake Filter - Audi RS3 / TT RS 2017-2022 - Red

This is the direct replacement filter element for APR’s CI100038-A carbon fiber intake system. It uses a pleated cotton gauze media in a red finish for high airflow, and it is cleanable and reusable for long service life. The filter measures 9 inches long with a 7.5 inch base, a 5.25 inch top, and a 6 inch flange.

Specifications

Documents: Installation Instructions (PDF)

This part fits:

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy