# K&N Custom Racing Assembly Generation 2 Carbon Fiber Air Box - Large w/ 2.50in Air Horn

Light weight yet durable, K&N's Generation 2 Carbon Fiber Air Boxes are a must for any racer currently using traditional multi-Siamese stacks. Constructed from ultra-lightweight carbon fiber these filters provide ample air flow for your racing needs. They come with air horn seals to provide better sealing and easy installation. As with all K&N air filters, Generation 2 Carbon Fiber Air Boxes are washable and reusable. Simply use K&N cleaner and oil to service your filter.

-   Housing is made from ultra-lightweight carbon fiber
-   Air Horn Seals Are Included For Tight Seal

## Details

- **Price:** 1334.96 CAD
- **Vendor:** K&N Engineering
- **Type:** Air Intake Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1334.96 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- Photo - Primary
- Photo - in package
- User 4
- Photo - in package
- Photo - in package
- Photo - in package
- User 4
- Photo - in package

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/k-n-custom-racing-assembly-generation-2-carbon-fiber-air-box-large-w-2-50in-air-horn)
> Updated: 2026-08-25