Vibrant Performance 10921 Classic Performance Air Filter - 2.5" Inlet

Vehicle Fitment

• Universal - Fits most custom intake or air induction systems with 2.5" inlet plumbing (requires adapter or custom intake tube).

Features

• Classic performance replacement air filter for enhanced airflow over stock elements
• 4-ply pleated cotton-gauze filter media for high airflow and effective particulate filtration
• Washable and reusable design reduces waste and long-term cost
• Pre-oiled element for optimized initial performance and filtration
• 2.50" (63.5 mm) inlet diameter suits a wide range of intake applications
• Red filter element with black cap for classic performance style
• Durable rubber base for secure seating in custom setups
• Suitable for turbocharged and naturally aspirated engines

Specifications

• Part Number: 10921
• Brand: Vibrant Performance
• Filter Type: Classic Performance Air Filter
• Filter Media: 4-ply cotton-gauze
• Reusable: Yes (washable and serviceable)
• Inlet I.D.: 2.50" (63.5 mm)
• Filter Height: ~6.50" (165 mm)
• Outer Diameters: Cap ~5.00" (127 mm); Base ~6.00" (152.4 mm)

Included Components

• 1x Vibrant Performance 10921 Classic Performance Air Filter

Product Description

The Vibrant Performance 10921 Classic Performance Air Filter is a universal high-flow air filter designed to upgrade or replace standard intake filters in performance and custom applications. Its 4-ply cotton-gauze element allows significantly more airflow than typical stock filters while still providing effective filtration of airborne particulate, making it well-suited for both turbocharged and naturally aspirated engines. The filter arrives pre-oiled and ready to install, and the washable, reusable design helps cut long-term ownership costs.

Featuring a 2.50" inlet diameter, this filter integrates into a wide range of custom intake systems with appropriate adapters or intake tube connections. The red element with black cap and durable rubber base provide a classic performance look and secure fitment in a variety of intake layouts. Whether used in street, track, or project builds, the 10921 filter offers a practical balance of airflow, filtration efficiency, and serviceability for enthusiasts and DIY tuners alike.