Uni Filter UP-8400ST Dual Stage Pod Air Filter 4" Straight

The Uni Filter UP-8400ST is a dual-stage performance pod air filter designed for universal applications. Measuring 4 inches at the inlet, 5.5 inches at the body, and 8 inches in length, this straight-configuration filter provides exceptional airflow and filtration for motorcycles, ATVs, UTVs, and other powersports vehicles.

Key Features:

• Dual-stage foam construction combines coarse outer layer for large particle capture with fine inner layer for microscopic filtration
• Completely washable and reusable for cost-effective long-term performance
• Universal fitment accommodates various applications based on inlet diameter
• Straight design with 4-inch inlet diameter for direct carburetor or throttle body mounting
• Premium foam material provides superior airflow while maintaining excellent filtration efficiency
• Oil-based filtration system traps dirt and debris before they reach your engine

This filter is sold individually and requires periodic cleaning and re-oiling with Uni Filter foam filter oil to maintain optimal performance. Not legal for sale or use on pollution-controlled vehicles. Ideal for off-road racing, recreational riding, and performance applications where maximum airflow and engine protection are essential.