APR Carbon Fiber Intake System - Audi RS6 Avant / RS7 Sportback (C8) 4.0T 2021-2026

The APR Carbon Fiber Intake System is a full induction upgrade for the Audi RS6 Avant and RS7 Sportback 4.0T EA825. The carbon fiber airbox uses 52% larger outlets, feeding 93% larger cast aluminum turbocharger inlets that accept adapter rings for turbos with up to a 29% larger inlet port. A washable low restriction cotton gauze filter flows 8% more than stock, and overall the system cuts pressure drop by 50% compared to OEM. On an APR Stage 1 (93) tune it adds 47 AWHP and 38 AWFT-LBS at the wheels over stock.

Specifications

Documents: Installation Instructions (PDF)  |  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