Experience the ultimate upgrade for your racing machine with the K&N Custom Racing Assembly Carbon Fiber 4in Air Box (Large, without base). This state-of-the-art carbon fiber air box is engineered for drivers who demand a perfect combination of performance, durability, and easy maintenance. Designed exclusively as a K&N custom racing air box, it delivers unmatched high airflow efficiency and enhanced filtration that is essential for competitive racing environments.

Boost your engine’s performance with this carbon fiber air box that optimizes power and speed. Its innovative design, featuring a unique "without base" configuration, allows for streamlined installation and a more responsive throttle, making it a must-have upgrade for racers aiming to elevate their performance.

Key Features

• Ultra-lightweight, durable carbon fiber construction
• Custom racing assembly with a distinctive "without base" design
• High airflow efficiency for maximum performance
• Washable and reusable for cost-effective maintenance using K&N oil and cleaner
• Specifically engineered for high-performance racing applications

Additional Specifications

• 4in specification ensures compatibility with competitive racing setups
• Enhanced sealing contributes to superior engine intake performance
• Trusted performance from a brand with a long-standing racing heritage

Discover more high-performance parts in our Air Intake Systems collection and elevate your racing experience with proven quality and reliability.