HKS FL5 Civic Type R Optional Oil Cooler Carbon Fiber Air Duct | 15999-AH001

HKS Carbon Air Duct – Civic Type R FL5 Oil Cooler Upgrade | 15999-AH001

The HKS Carbon Air Duct is a premium dry carbon upgrade designed for 2023–present Honda Civic Type R (FL5) owners running the HKS Oil Cooler Kit. This part is a direct replacement for the standard resin duct included with the oil cooler kit, adding a sharper, higher-end finish while keeping the same functional ducting layout.

Featuring a clear-coated dry carbon construction with an integrated metal mesh, the 15999-AH001 delivers a subtle OEM-plus detail that elevates the front-end appearance—perfect for drivers who want clean, premium motorsport styling without going over the top.

Key Features

• Application: 2023–2025 Honda Civic Type R (FL5) | Engine: K20C
• HKS Part Number: 15999-AH001
• Material: Dry carbon (clear coated)
• Included: Metal mesh pre-installed
• Function: Replaces the resin duct included with the HKS FL5 Oil Cooler Kit
• Approx. Weight: 0.6 kg
• Finish: High-grade carbon appearance for a premium “factory+” look

Compatibility

• Required: HKS Oil Cooler Kit for Civic Type R FL5 (15004-AH105)
• Type: Optional replacement duct (upgrade part)

Why Upgrade?

• Elevates under-bumper/front duct presentation with real dry carbon
• Clean-coated finish with mesh already installed
• Ideal match for FL5 owners building a subtle, premium motorsport theme

Note: This is an optional duct replacement intended for use with the HKS FL5 oil cooler kit. Installation requirements follow the oil cooler kit’s ducting/bumper/splash shield modification needs.