THE CLASSIC Performance Air Filter 3.5in inlet

THE CLASSIC Performance Air Filter 3.5in inlet is a universal conical clamp-on air filtration element designed for operators, mechanics, and performance enthusiasts who demand reliable engine breathing under field conditions. Built by Vibrant Performance, a leader in high-flow intake systems, this cotton-element filter serves dual-sport vehicles, custom builds, and tactical platforms where dependable airflow and filtration are non-negotiable. The 3.5-inch flange diameter and proven cotton construction make this filter suitable for a wide range of engine configurations requiring straightforward, no-frills intake protection.

The conical geometry and cotton media deliver superior flow rates while maintaining effective particulate capture, a combination that outperforms standard paper elements in high-demand scenarios. THE CLASSIC Performance Air Filter 3.5in inlet features a 5.75-inch base diameter tapering to a 5-inch top opening, with an overall height of 6.5 inches—proportions engineered for optimal surface area and minimal restriction. The clamp-on design secures directly to your intake tube without requiring permanent modification, allowing rapid field cleaning or element swap if duty conditions demand extended operation. Cotton construction withstands harsh environments and accepts oil-type cleaning protocols common in military and law enforcement motor pools.

Operators maintaining 4x4s, auxiliary power units, generator sets, and custom intake systems benefit most from THE CLASSIC Performance Air Filter 3.5in inlet's universal fitment and reusable element philosophy. Installation requires only a hose clamp or band clamp at the 3.5-inch inlet flange—no tools, no downtime. The red cotton element provides visual confirmation of filter condition during pre-operation checks, and simple maintenance extends service life indefinitely. Compatible with any intake system accepting a 3.5-inch conical element, this filter delivers professional-grade filtration for vehicles and engines where performance and reliability matter.